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3448 lines
103 KiB
C
3448 lines
103 KiB
C
/*
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This program is free software; you can redristibute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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This file is a modified version of RTjpeg 0.1.2, (C) Justin Schoeman 1998
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(991101) Wim Taymans : added MMX dct and idct from intels site.
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*/
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/*
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Main Routines
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This file contains most of the initialisation and control functions
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(C) Justin Schoeman 1998
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef unsigned char __u8;
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typedef signed char __s8;
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typedef unsigned short __u16;
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typedef signed short __s16;
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typedef unsigned long __u32;
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typedef signed long __s32;
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typedef unsigned long long __u64;
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/*#define MMX_TRACE */
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#ifdef HAVE_LIBMMX
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#include "mmx.h"
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#endif
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static const unsigned char RTjpeg_ZZ[64] = {
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0,
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8, 1,
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2, 9, 16,
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24, 17, 10, 3,
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4, 11, 18, 25, 32,
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40, 33, 26, 19, 12, 5,
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6, 13, 20, 27, 34, 41, 48,
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56, 49, 42, 35, 28, 21, 14, 7,
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15, 22, 29, 36, 43, 50, 57,
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58, 51, 44, 37, 30, 23,
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31, 38, 45, 52, 59,
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60, 53, 46, 39,
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47, 54, 61,
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62, 55,
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63
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};
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static const __u64 RTjpeg_aan_tab[64] = {
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4294967296ULL, 5957222912ULL, 5611718144ULL, 5050464768ULL, 4294967296ULL,
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3374581504ULL, 2324432128ULL, 1184891264ULL,
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5957222912ULL, 8263040512ULL, 7783580160ULL, 7005009920ULL, 5957222912ULL,
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4680582144ULL, 3224107520ULL, 1643641088ULL,
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5611718144ULL, 7783580160ULL, 7331904512ULL, 6598688768ULL, 5611718144ULL,
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4408998912ULL, 3036936960ULL, 1548224000ULL,
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5050464768ULL, 7005009920ULL, 6598688768ULL, 5938608128ULL, 5050464768ULL,
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3968072960ULL, 2733115392ULL, 1393296000ULL,
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4294967296ULL, 5957222912ULL, 5611718144ULL, 5050464768ULL, 4294967296ULL,
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3374581504ULL, 2324432128ULL, 1184891264ULL,
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3374581504ULL, 4680582144ULL, 4408998912ULL, 3968072960ULL, 3374581504ULL,
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2651326208ULL, 1826357504ULL, 931136000ULL,
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2324432128ULL, 3224107520ULL, 3036936960ULL, 2733115392ULL, 2324432128ULL,
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1826357504ULL, 1258030336ULL, 641204288ULL,
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1184891264ULL, 1643641088ULL, 1548224000ULL, 1393296000ULL, 1184891264ULL,
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931136000ULL, 641204288ULL, 326894240ULL,
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};
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#ifndef HAVE_LIBMMX
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static __s32 RTjpeg_ws[64 + 31];
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#endif
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__u8 RTjpeg_alldata[2 * 64 + 4 * 64 + 4 * 64 + 4 * 64 + 4 * 64 + 32];
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__s16 *RTjpeg_block;
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__s32 *RTjpeg_lqt;
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__s32 *RTjpeg_cqt;
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__u32 *RTjpeg_liqt;
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__u32 *RTjpeg_ciqt;
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unsigned char RTjpeg_lb8;
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unsigned char RTjpeg_cb8;
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int RTjpeg_width, RTjpeg_height;
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int RTjpeg_Ywidth, RTjpeg_Cwidth;
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int RTjpeg_Ysize, RTjpeg_Csize;
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__s16 *RTjpeg_old = NULL;
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#ifdef HAVE_LIBMMX
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mmx_t RTjpeg_lmask;
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mmx_t RTjpeg_cmask;
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#else
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__u16 RTjpeg_lmask;
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__u16 RTjpeg_cmask;
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#endif
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int RTjpeg_mtest = 0;
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static const unsigned char RTjpeg_lum_quant_tbl[64] = {
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16, 11, 10, 16, 24, 40, 51, 61,
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12, 12, 14, 19, 26, 58, 60, 55,
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14, 13, 16, 24, 40, 57, 69, 56,
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14, 17, 22, 29, 51, 87, 80, 62,
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18, 22, 37, 56, 68, 109, 103, 77,
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24, 35, 55, 64, 81, 104, 113, 92,
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49, 64, 78, 87, 103, 121, 120, 101,
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72, 92, 95, 98, 112, 100, 103, 99
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};
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static const unsigned char RTjpeg_chrom_quant_tbl[64] = {
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17, 18, 24, 47, 99, 99, 99, 99,
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18, 21, 26, 66, 99, 99, 99, 99,
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24, 26, 56, 99, 99, 99, 99, 99,
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47, 66, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99,
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99, 99, 99, 99, 99, 99, 99, 99
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};
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int
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RTjpeg_b2s (__s16 * data, __s8 * strm, __u8 bt8)
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{
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register int ci, co = 1, tmp;
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register __s16 ZZvalue;
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strm[0] =
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(__u8) (data[RTjpeg_ZZ[0]] > 254) ? 254 : ((data[RTjpeg_ZZ[0]] <
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0) ? 0 : data[RTjpeg_ZZ[0]]);
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for (ci = 1; ci <= bt8; ci++) {
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ZZvalue = data[RTjpeg_ZZ[ci]];
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if (ZZvalue > 0) {
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strm[co++] = (__s8) (ZZvalue > 127) ? 127 : ZZvalue;
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} else {
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strm[co++] = (__s8) (ZZvalue < -128) ? -128 : ZZvalue;
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}
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}
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for (; ci < 64; ci++) {
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ZZvalue = data[RTjpeg_ZZ[ci]];
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if (ZZvalue > 0) {
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strm[co++] = (__s8) (ZZvalue > 63) ? 63 : ZZvalue;
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} else if (ZZvalue < 0) {
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strm[co++] = (__s8) (ZZvalue < -64) ? -64 : ZZvalue;
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} else { /* compress zeros */
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tmp = ci;
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do {
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ci++;
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}
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while ((ci < 64) && (data[RTjpeg_ZZ[ci]] == 0));
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strm[co++] = (__s8) (63 + (ci - tmp));
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ci--;
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}
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}
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return (int) co;
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}
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int
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RTjpeg_s2b (__s16 * data, __s8 * strm, __u8 bt8, __u32 * qtbl)
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{
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int ci = 1, co = 1, tmp;
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register int i;
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i = RTjpeg_ZZ[0];
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data[i] = ((__u8) strm[0]) * qtbl[i];
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for (co = 1; co <= bt8; co++) {
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i = RTjpeg_ZZ[co];
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data[i] = strm[ci++] * qtbl[i];
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}
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for (; co < 64; co++) {
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if (strm[ci] > 63) {
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tmp = co + strm[ci] - 63;
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for (; co < tmp; co++)
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data[RTjpeg_ZZ[co]] = 0;
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co--;
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} else {
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i = RTjpeg_ZZ[co];
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data[i] = strm[ci] * qtbl[i];
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}
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ci++;
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}
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return (int) ci;
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}
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#if defined(HAVE_LIBMMX)
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void
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RTjpeg_quant_init (void)
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{
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int i;
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__s16 *qtbl;
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qtbl = (__s16 *) RTjpeg_lqt;
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for (i = 0; i < 64; i++)
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qtbl[i] = (__s16) RTjpeg_lqt[i];
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qtbl = (__s16 *) RTjpeg_cqt;
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for (i = 0; i < 64; i++)
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qtbl[i] = (__s16) RTjpeg_cqt[i];
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}
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static mmx_t RTjpeg_ones = (mmx_t) (long long) 0x0001000100010001LL;
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static mmx_t RTjpeg_half = (mmx_t) (long long) 0x7fff7fff7fff7fffLL;
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void
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RTjpeg_quant (__s16 * block, __s32 * qtbl)
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{
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int i;
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mmx_t *bl, *ql;
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ql = (mmx_t *) qtbl;
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bl = (mmx_t *) block;
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movq_m2r (RTjpeg_ones, mm6);
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movq_m2r (RTjpeg_half, mm7);
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for (i = 16; i; i--) {
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movq_m2r (*(ql++), mm0); /* quant vals (4) */
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movq_m2r (*bl, mm2); /* block vals (4) */
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movq_r2r (mm0, mm1);
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movq_r2r (mm2, mm3);
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punpcklwd_r2r (mm6, mm0); /* 1 qb 1 qa */
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punpckhwd_r2r (mm6, mm1); /* 1 qd 1 qc */
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punpcklwd_r2r (mm7, mm2); /* 32767 bb 32767 ba */
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punpckhwd_r2r (mm7, mm3); /* 32767 bd 32767 bc */
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pmaddwd_r2r (mm2, mm0); /* 32767+bb*qb 32767+ba*qa */
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pmaddwd_r2r (mm3, mm1); /* 32767+bd*qd 32767+bc*qc */
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psrad_i2r (16, mm0);
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psrad_i2r (16, mm1);
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packssdw_r2r (mm1, mm0);
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movq_r2m (mm0, *(bl++));
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}
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}
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#else
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void
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RTjpeg_quant_init (void)
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{
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}
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void
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RTjpeg_quant (__s16 * block, __s32 * qtbl)
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{
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int i;
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for (i = 0; i < 64; i++)
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block[i] = (__s16) ((block[i] * qtbl[i] + 32767) >> 16);
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}
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#endif
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/*
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* Perform the forward DCT on one block of samples.
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*/
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#ifdef HAVE_LIBMMX
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static mmx_t RTjpeg_C4 = (mmx_t) (long long) 0x2D412D412D412D41LL;
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static mmx_t RTjpeg_C6 = (mmx_t) (long long) 0x187E187E187E187ELL;
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static mmx_t RTjpeg_C2mC6 = (mmx_t) (long long) 0x22A322A322A322A3LL;
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static mmx_t RTjpeg_C2pC6 = (mmx_t) (long long) 0x539F539F539F539FLL;
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static mmx_t RTjpeg_zero = (mmx_t) (long long) 0x0000000000000000LL;
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#else
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#define FIX_0_382683433 ((__s32) 98) /* FIX(0.382683433) */
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#define FIX_0_541196100 ((__s32) 139) /* FIX(0.541196100) */
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#define FIX_0_707106781 ((__s32) 181) /* FIX(0.707106781) */
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#define FIX_1_306562965 ((__s32) 334) /* FIX(1.306562965) */
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#define DESCALE10(x) (__s16)( ((x)+128) >> 8)
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#define DESCALE20(x) (__s16)(((x)+32768) >> 16)
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#define D_MULTIPLY(var,const) ((__s32) ((var) * (const)))
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#endif
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void
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RTjpeg_dct_init (void)
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{
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int i;
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for (i = 0; i < 64; i++) {
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RTjpeg_lqt[i] = (((__u64) RTjpeg_lqt[i] << 32) / RTjpeg_aan_tab[i]);
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RTjpeg_cqt[i] = (((__u64) RTjpeg_cqt[i] << 32) / RTjpeg_aan_tab[i]);
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}
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}
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void
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RTjpeg_dctY (__u8 * idata, __s16 * odata, int rskip)
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{
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#ifndef HAVE_LIBMMX
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__s32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
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__s32 tmp10, tmp11, tmp12, tmp13;
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__s32 z1, z2, z3, z4, z5, z11, z13;
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__u8 *idataptr;
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__s16 *odataptr;
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__s32 *wsptr;
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int ctr;
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idataptr = idata;
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wsptr = RTjpeg_ws;
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for (ctr = 7; ctr >= 0; ctr--) {
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tmp0 = idataptr[0] + idataptr[7];
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tmp7 = idataptr[0] - idataptr[7];
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tmp1 = idataptr[1] + idataptr[6];
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tmp6 = idataptr[1] - idataptr[6];
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tmp2 = idataptr[2] + idataptr[5];
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tmp5 = idataptr[2] - idataptr[5];
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tmp3 = idataptr[3] + idataptr[4];
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tmp4 = idataptr[3] - idataptr[4];
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tmp10 = (tmp0 + tmp3); /* phase 2 */
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tmp13 = tmp0 - tmp3;
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tmp11 = (tmp1 + tmp2);
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tmp12 = tmp1 - tmp2;
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wsptr[0] = (tmp10 + tmp11) << 8; /* phase 3 */
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wsptr[4] = (tmp10 - tmp11) << 8;
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z1 = D_MULTIPLY (tmp12 + tmp13, FIX_0_707106781); /* c4 */
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wsptr[2] = (tmp13 << 8) + z1; /* phase 5 */
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wsptr[6] = (tmp13 << 8) - z1;
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tmp10 = tmp4 + tmp5; /* phase 2 */
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tmp11 = tmp5 + tmp6;
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tmp12 = tmp6 + tmp7;
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z5 = D_MULTIPLY (tmp10 - tmp12, FIX_0_382683433); /* c6 */
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z2 = D_MULTIPLY (tmp10, FIX_0_541196100) + z5; /* c2-c6 */
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z4 = D_MULTIPLY (tmp12, FIX_1_306562965) + z5; /* c2+c6 */
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z3 = D_MULTIPLY (tmp11, FIX_0_707106781); /* c4 */
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z11 = (tmp7 << 8) + z3; /* phase 5 */
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z13 = (tmp7 << 8) - z3;
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wsptr[5] = z13 + z2; /* phase 6 */
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wsptr[3] = z13 - z2;
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wsptr[1] = z11 + z4;
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wsptr[7] = z11 - z4;
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idataptr += rskip << 3; /* advance pointer to next row */
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wsptr += 8;
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}
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wsptr = RTjpeg_ws;
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odataptr = odata;
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for (ctr = 7; ctr >= 0; ctr--) {
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tmp0 = wsptr[0] + wsptr[56];
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tmp7 = wsptr[0] - wsptr[56];
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tmp1 = wsptr[8] + wsptr[48];
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tmp6 = wsptr[8] - wsptr[48];
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tmp2 = wsptr[16] + wsptr[40];
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tmp5 = wsptr[16] - wsptr[40];
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tmp3 = wsptr[24] + wsptr[32];
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tmp4 = wsptr[24] - wsptr[32];
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tmp10 = tmp0 + tmp3; /* phase 2 */
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tmp13 = tmp0 - tmp3;
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tmp11 = tmp1 + tmp2;
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tmp12 = tmp1 - tmp2;
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odataptr[0] = DESCALE10 (tmp10 + tmp11); /* phase 3 */
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odataptr[32] = DESCALE10 (tmp10 - tmp11);
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z1 = D_MULTIPLY (tmp12 + tmp13, FIX_0_707106781); /* c4 */
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odataptr[16] = DESCALE20 ((tmp13 << 8) + z1); /* phase 5 */
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odataptr[48] = DESCALE20 ((tmp13 << 8) - z1);
|
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|
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tmp10 = tmp4 + tmp5; /* phase 2 */
|
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tmp11 = tmp5 + tmp6;
|
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tmp12 = tmp6 + tmp7;
|
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|
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z5 = D_MULTIPLY (tmp10 - tmp12, FIX_0_382683433); /* c6 */
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z2 = D_MULTIPLY (tmp10, FIX_0_541196100) + z5; /* c2-c6 */
|
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z4 = D_MULTIPLY (tmp12, FIX_1_306562965) + z5; /* c2+c6 */
|
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z3 = D_MULTIPLY (tmp11, FIX_0_707106781); /* c4 */
|
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|
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z11 = (tmp7 << 8) + z3; /* phase 5 */
|
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z13 = (tmp7 << 8) - z3;
|
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|
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odataptr[40] = DESCALE20 (z13 + z2); /* phase 6 */
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odataptr[24] = DESCALE20 (z13 - z2);
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odataptr[8] = DESCALE20 (z11 + z4);
|
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odataptr[56] = DESCALE20 (z11 - z4);
|
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|
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odataptr++; /* advance pointer to next column */
|
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wsptr++;
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}
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||
#else
|
||
mmx_t tmp6, tmp7;
|
||
register mmx_t *dataptr = (mmx_t *) odata;
|
||
mmx_t *idata2 = (mmx_t *) idata;
|
||
|
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/* first copy the input 8 bit to the destination 16 bits */
|
||
|
||
movq_m2r (RTjpeg_zero, mm2);
|
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|
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movq_m2r (*idata2, mm0);
|
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movq_r2r (mm0, mm1);
|
||
|
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punpcklbw_r2r (mm2, mm0);
|
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movq_r2m (mm0, *(dataptr));
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punpckhbw_r2r (mm2, mm1);
|
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movq_r2m (mm1, *(dataptr + 1));
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|
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idata2 += rskip;
|
||
|
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movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 2));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 3));
|
||
|
||
idata2 += rskip;
|
||
|
||
movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 4));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 5));
|
||
|
||
idata2 += rskip;
|
||
|
||
movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 6));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 7));
|
||
|
||
idata2 += rskip;
|
||
|
||
movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 8));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 9));
|
||
|
||
idata2 += rskip;
|
||
|
||
movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 10));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 11));
|
||
|
||
idata2 += rskip;
|
||
|
||
movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 12));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 13));
|
||
|
||
idata2 += rskip;
|
||
|
||
movq_m2r (*idata2, mm0);
|
||
movq_r2r (mm0, mm1);
|
||
|
||
punpcklbw_r2r (mm2, mm0);
|
||
movq_r2m (mm0, *(dataptr + 14));
|
||
|
||
punpckhbw_r2r (mm2, mm1);
|
||
movq_r2m (mm1, *(dataptr + 15));
|
||
|
||
/* Start Transpose to do calculations on rows */
|
||
|
||
movq_m2r (*(dataptr + 9), mm7); /* m03:m02|m01:m00 - first line (line 4)and copy into m5 */
|
||
|
||
movq_m2r (*(dataptr + 13), mm6); /* m23:m22|m21:m20 - third line (line 6)and copy into m2 */
|
||
movq_r2r (mm7, mm5);
|
||
|
||
punpcklwd_m2r (*(dataptr + 11), mm7); /* m11:m01|m10:m00 - interleave first and second lines */
|
||
movq_r2r (mm6, mm2);
|
||
|
||
punpcklwd_m2r (*(dataptr + 15), mm6); /* m31:m21|m30:m20 - interleave third and fourth lines */
|
||
movq_r2r (mm7, mm1);
|
||
|
||
movq_m2r (*(dataptr + 11), mm3); /* m13:m13|m11:m10 - second line */
|
||
punpckldq_r2r (mm6, mm7); /* m30:m20|m10:m00 - interleave to produce result 1 */
|
||
|
||
movq_m2r (*(dataptr + 15), mm0); /* m13:m13|m11:m10 - fourth line */
|
||
punpckhdq_r2r (mm6, mm1); /* m31:m21|m11:m01 - interleave to produce result 2 */
|
||
|
||
movq_r2m (mm7, *(dataptr + 9)); /* write result 1 */
|
||
punpckhwd_r2r (mm3, mm5); /* m13:m03|m12:m02 - interleave first and second lines */
|
||
|
||
movq_r2m (mm1, *(dataptr + 11)); /* write result 2 */
|
||
punpckhwd_r2r (mm0, mm2); /* m33:m23|m32:m22 - interleave third and fourth lines */
|
||
|
||
movq_r2r (mm5, mm1);
|
||
punpckldq_r2r (mm2, mm5); /* m32:m22|m12:m02 - interleave to produce result 3 */
|
||
|
||
movq_m2r (*(dataptr + 1), mm0); /* m03:m02|m01:m00 - first line, 4x4 */
|
||
punpckhdq_r2r (mm2, mm1); /* m33:m23|m13:m03 - interleave to produce result 4 */
|
||
|
||
movq_r2m (mm5, *(dataptr + 13)); /* write result 3 */
|
||
|
||
/* last 4x4 done */
|
||
|
||
movq_r2m (mm1, *(dataptr + 15)); /* write result 4, last 4x4 */
|
||
|
||
movq_m2r (*(dataptr + 5), mm2); /* m23:m22|m21:m20 - third line */
|
||
movq_r2r (mm0, mm6);
|
||
|
||
punpcklwd_m2r (*(dataptr + 3), mm0); /* m11:m01|m10:m00 - interleave first and second lines */
|
||
movq_r2r (mm2, mm7);
|
||
|
||
punpcklwd_m2r (*(dataptr + 7), mm2); /* m31:m21|m30:m20 - interleave third and fourth lines */
|
||
movq_r2r (mm0, mm4);
|
||
|
||
|
||
movq_m2r (*(dataptr + 8), mm1); /* n03:n02|n01:n00 - first line */
|
||
punpckldq_r2r (mm2, mm0); /* m30:m20|m10:m00 - interleave to produce first result */
|
||
|
||
movq_m2r (*(dataptr + 12), mm3); /* n23:n22|n21:n20 - third line */
|
||
punpckhdq_r2r (mm2, mm4); /* m31:m21|m11:m01 - interleave to produce second result */
|
||
|
||
punpckhwd_m2r (*(dataptr + 3), mm6); /* m13:m03|m12:m02 - interleave first and second lines */
|
||
movq_r2r (mm1, mm2); /* copy first line */
|
||
|
||
punpckhwd_m2r (*(dataptr + 7), mm7); /* m33:m23|m32:m22 - interleave third and fourth lines */
|
||
movq_r2r (mm6, mm5); /* copy first intermediate result */
|
||
|
||
movq_r2m (mm0, *(dataptr + 8)); /* write result 1 */
|
||
punpckhdq_r2r (mm7, mm5); /* m33:m23|m13:m03 - produce third result */
|
||
|
||
punpcklwd_m2r (*(dataptr + 10), mm1); /* n11:n01|n10:n00 - interleave first and second lines */
|
||
movq_r2r (mm3, mm0); /* copy third line */
|
||
|
||
punpckhwd_m2r (*(dataptr + 10), mm2); /* n13:n03|n12:n02 - interleave first and second lines */
|
||
|
||
movq_r2m (mm4, *(dataptr + 10)); /* write result 2 out */
|
||
punpckldq_r2r (mm7, mm6); /* m32:m22|m12:m02 - produce fourth result */
|
||
|
||
punpcklwd_m2r (*(dataptr + 14), mm3); /* n31:n21|n30:n20 - interleave third and fourth lines */
|
||
movq_r2r (mm1, mm4);
|
||
|
||
movq_r2m (mm6, *(dataptr + 12)); /* write result 3 out */
|
||
punpckldq_r2r (mm3, mm1); /* n30:n20|n10:n00 - produce first result */
|
||
|
||
punpckhwd_m2r (*(dataptr + 14), mm0); /* n33:n23|n32:n22 - interleave third and fourth lines */
|
||
movq_r2r (mm2, mm6);
|
||
|
||
movq_r2m (mm5, *(dataptr + 14)); /* write result 4 out */
|
||
punpckhdq_r2r (mm3, mm4); /* n31:n21|n11:n01- produce second result */
|
||
|
||
movq_r2m (mm1, *(dataptr + 1)); /* write result 5 out - (first result for other 4 x 4 block) */
|
||
punpckldq_r2r (mm0, mm2); /* n32:n22|n12:n02- produce third result */
|
||
|
||
movq_r2m (mm4, *(dataptr + 3)); /* write result 6 out */
|
||
punpckhdq_r2r (mm0, mm6); /* n33:n23|n13:n03 - produce fourth result */
|
||
|
||
movq_r2m (mm2, *(dataptr + 5)); /* write result 7 out */
|
||
|
||
movq_m2r (*dataptr, mm0); /* m03:m02|m01:m00 - first line, first 4x4 */
|
||
|
||
movq_r2m (mm6, *(dataptr + 7)); /* write result 8 out */
|
||
|
||
|
||
/* Do first 4x4 quadrant, which is used in the beginning of the DCT: */
|
||
|
||
movq_m2r (*(dataptr + 4), mm7); /* m23:m22|m21:m20 - third line */
|
||
movq_r2r (mm0, mm2);
|
||
|
||
punpcklwd_m2r (*(dataptr + 2), mm0); /* m11:m01|m10:m00 - interleave first and second lines */
|
||
movq_r2r (mm7, mm4);
|
||
|
||
punpcklwd_m2r (*(dataptr + 6), mm7); /* m31:m21|m30:m20 - interleave third and fourth lines */
|
||
movq_r2r (mm0, mm1);
|
||
|
||
movq_m2r (*(dataptr + 2), mm6); /* m13:m12|m11:m10 - second line */
|
||
punpckldq_r2r (mm7, mm0); /* m30:m20|m10:m00 - interleave to produce result 1 */
|
||
|
||
movq_m2r (*(dataptr + 6), mm5); /* m33:m32|m31:m30 - fourth line */
|
||
punpckhdq_r2r (mm7, mm1); /* m31:m21|m11:m01 - interleave to produce result 2 */
|
||
|
||
movq_r2r (mm0, mm7); /* write result 1 */
|
||
punpckhwd_r2r (mm6, mm2); /* m13:m03|m12:m02 - interleave first and second lines */
|
||
|
||
psubw_m2r (*(dataptr + 14), mm7); /* tmp07=x0-x7: Stage 1 */
|
||
movq_r2r (mm1, mm6); /* write result 2 */
|
||
|
||
paddw_m2r (*(dataptr + 14), mm0); /* tmp00=x0+x7: Stage 1 */
|
||
punpckhwd_r2r (mm5, mm4); /* m33:m23|m32:m22 - interleave third and fourth lines */
|
||
|
||
paddw_m2r (*(dataptr + 12), mm1); /* tmp01=x1+x6: Stage 1 */
|
||
movq_r2r (mm2, mm3); /* copy first intermediate result */
|
||
|
||
psubw_m2r (*(dataptr + 12), mm6); /* tmp06=x1-x6: Stage 1 */
|
||
punpckldq_r2r (mm4, mm2); /* m32:m22|m12:m02 - interleave to produce result 3 */
|
||
|
||
movq_r2m (mm7, tmp7);
|
||
movq_r2r (mm2, mm5); /* write result 3 */
|
||
|
||
movq_r2m (mm6, tmp6);
|
||
punpckhdq_r2r (mm4, mm3); /* m33:m23|m13:m03 - interleave to produce result 4 */
|
||
|
||
paddw_m2r (*(dataptr + 10), mm2); /* tmp02=x2+5: Stage 1 */
|
||
movq_r2r (mm3, mm4); /* write result 4 */
|
||
|
||
/************************************************************************************************
|
||
End of Transpose
|
||
************************************************************************************************/
|
||
|
||
|
||
paddw_m2r (*(dataptr + 8), mm3); /* tmp03=x3+x4: stage 1 */
|
||
movq_r2r (mm0, mm7);
|
||
|
||
psubw_m2r (*(dataptr + 8), mm4); /* tmp04=x3-x4: stage 1 */
|
||
movq_r2r (mm1, mm6);
|
||
|
||
paddw_r2r (mm3, mm0); /* tmp10 = tmp00 + tmp03: even 2 */
|
||
psubw_r2r (mm3, mm7); /* tmp13 = tmp00 - tmp03: even 2 */
|
||
|
||
psubw_r2r (mm2, mm6); /* tmp12 = tmp01 - tmp02: even 2 */
|
||
paddw_r2r (mm2, mm1); /* tmp11 = tmp01 + tmp02: even 2 */
|
||
|
||
psubw_m2r (*(dataptr + 10), mm5); /* tmp05=x2-x5: stage 1 */
|
||
paddw_r2r (mm7, mm6); /* tmp12 + tmp13 */
|
||
|
||
/* stage 3 */
|
||
|
||
movq_m2r (tmp6, mm2);
|
||
movq_r2r (mm0, mm3);
|
||
|
||
psllw_i2r (2, mm6); /* m8 * 2^2 */
|
||
paddw_r2r (mm1, mm0);
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm6); /* z1 */
|
||
psubw_r2r (mm1, mm3);
|
||
|
||
movq_r2m (mm0, *dataptr);
|
||
movq_r2r (mm7, mm0);
|
||
|
||
/* Odd part */
|
||
movq_r2m (mm3, *(dataptr + 8));
|
||
paddw_r2r (mm5, mm4); /* tmp10 */
|
||
|
||
movq_m2r (tmp7, mm3);
|
||
paddw_r2r (mm6, mm0); /* tmp32 */
|
||
|
||
paddw_r2r (mm2, mm5); /* tmp11 */
|
||
psubw_r2r (mm6, mm7); /* tmp33 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 4));
|
||
paddw_r2r (mm3, mm2); /* tmp12 */
|
||
|
||
/* stage 4 */
|
||
|
||
movq_r2m (mm7, *(dataptr + 12));
|
||
movq_r2r (mm4, mm1); /* copy of tmp10 */
|
||
|
||
psubw_r2r (mm2, mm1); /* tmp10 - tmp12 */
|
||
psllw_i2r (2, mm4); /* m8 * 2^2 */
|
||
|
||
movq_m2r (RTjpeg_C2mC6, mm0);
|
||
psllw_i2r (2, mm1);
|
||
|
||
pmulhw_m2r (RTjpeg_C6, mm1); /* z5 */
|
||
psllw_i2r (2, mm2);
|
||
|
||
pmulhw_r2r (mm0, mm4); /* z5 */
|
||
|
||
/* stage 5 */
|
||
|
||
pmulhw_m2r (RTjpeg_C2pC6, mm2);
|
||
psllw_i2r (2, mm5);
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm5); /* z3 */
|
||
movq_r2r (mm3, mm0); /* copy tmp7 */
|
||
|
||
movq_m2r (*(dataptr + 1), mm7);
|
||
paddw_r2r (mm1, mm4); /* z2 */
|
||
|
||
paddw_r2r (mm1, mm2); /* z4 */
|
||
|
||
paddw_r2r (mm5, mm0); /* z11 */
|
||
psubw_r2r (mm5, mm3); /* z13 */
|
||
|
||
/* stage 6 */
|
||
|
||
movq_r2r (mm3, mm5); /* copy z13 */
|
||
psubw_r2r (mm4, mm3); /* y3=z13 - z2 */
|
||
|
||
paddw_r2r (mm4, mm5); /* y5=z13 + z2 */
|
||
movq_r2r (mm0, mm6); /* copy z11 */
|
||
|
||
movq_r2m (mm3, *(dataptr + 6)); /*save y3 */
|
||
psubw_r2r (mm2, mm0); /* y7=z11 - z4 */
|
||
|
||
movq_r2m (mm5, *(dataptr + 10)); /*save y5 */
|
||
paddw_r2r (mm2, mm6); /* y1=z11 + z4 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 14)); /*save y7 */
|
||
|
||
/************************************************
|
||
* End of 1st 4 rows
|
||
************************************************/
|
||
|
||
movq_m2r (*(dataptr + 3), mm1); /* load x1: stage 1 */
|
||
movq_r2r (mm7, mm0); /* copy x0 */
|
||
|
||
movq_r2m (mm6, *(dataptr + 2)); /*save y1 */
|
||
|
||
movq_m2r (*(dataptr + 5), mm2); /* load x2: stage 1 */
|
||
movq_r2r (mm1, mm6); /* copy x1 */
|
||
|
||
paddw_m2r (*(dataptr + 15), mm0); /* tmp00 = x0 + x7 */
|
||
|
||
movq_m2r (*(dataptr + 7), mm3); /* load x3 : stage 1 */
|
||
movq_r2r (mm2, mm5); /* copy x2 */
|
||
|
||
psubw_m2r (*(dataptr + 15), mm7); /* tmp07 = x0 - x7 */
|
||
movq_r2r (mm3, mm4); /* copy x3 */
|
||
|
||
paddw_m2r (*(dataptr + 13), mm1); /* tmp01 = x1 + x6 */
|
||
|
||
movq_r2m (mm7, tmp7); /* save tmp07 */
|
||
movq_r2r (mm0, mm7); /* copy tmp00 */
|
||
|
||
psubw_m2r (*(dataptr + 13), mm6); /* tmp06 = x1 - x6 */
|
||
|
||
/* stage 2, Even Part */
|
||
|
||
paddw_m2r (*(dataptr + 9), mm3); /* tmp03 = x3 + x4 */
|
||
|
||
movq_r2m (mm6, tmp6); /* save tmp07 */
|
||
movq_r2r (mm1, mm6); /* copy tmp01 */
|
||
|
||
paddw_m2r (*(dataptr + 11), mm2); /* tmp02 = x2 + x5 */
|
||
paddw_r2r (mm3, mm0); /* tmp10 = tmp00 + tmp03 */
|
||
|
||
psubw_r2r (mm3, mm7); /* tmp13 = tmp00 - tmp03 */
|
||
|
||
psubw_m2r (*(dataptr + 9), mm4); /* tmp04 = x3 - x4 */
|
||
psubw_r2r (mm2, mm6); /* tmp12 = tmp01 - tmp02 */
|
||
|
||
paddw_r2r (mm2, mm1); /* tmp11 = tmp01 + tmp02 */
|
||
|
||
psubw_m2r (*(dataptr + 11), mm5); /* tmp05 = x2 - x5 */
|
||
paddw_r2r (mm7, mm6); /* tmp12 + tmp13 */
|
||
|
||
/* stage 3, Even and stage 4 & 5 even */
|
||
|
||
movq_m2r (tmp6, mm2); /* load tmp6 */
|
||
movq_r2r (mm0, mm3); /* copy tmp10 */
|
||
|
||
psllw_i2r (2, mm6); /* shift z1 */
|
||
paddw_r2r (mm1, mm0); /* y0=tmp10 + tmp11 */
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm6); /* z1 */
|
||
psubw_r2r (mm1, mm3); /* y4=tmp10 - tmp11 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 1)); /*save y0 */
|
||
movq_r2r (mm7, mm0); /* copy tmp13 */
|
||
|
||
/* odd part */
|
||
|
||
movq_r2m (mm3, *(dataptr + 9)); /*save y4 */
|
||
paddw_r2r (mm5, mm4); /* tmp10 = tmp4 + tmp5 */
|
||
|
||
movq_m2r (tmp7, mm3); /* load tmp7 */
|
||
paddw_r2r (mm6, mm0); /* tmp32 = tmp13 + z1 */
|
||
|
||
paddw_r2r (mm2, mm5); /* tmp11 = tmp5 + tmp6 */
|
||
psubw_r2r (mm6, mm7); /* tmp33 = tmp13 - z1 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 5)); /*save y2 */
|
||
paddw_r2r (mm3, mm2); /* tmp12 = tmp6 + tmp7 */
|
||
|
||
/* stage 4 */
|
||
|
||
movq_r2m (mm7, *(dataptr + 13)); /*save y6 */
|
||
movq_r2r (mm4, mm1); /* copy tmp10 */
|
||
|
||
psubw_r2r (mm2, mm1); /* tmp10 - tmp12 */
|
||
psllw_i2r (2, mm4); /* shift tmp10 */
|
||
|
||
movq_m2r (RTjpeg_C2mC6, mm0); /* load C2mC6 */
|
||
psllw_i2r (2, mm1); /* shift (tmp10-tmp12) */
|
||
|
||
pmulhw_m2r (RTjpeg_C6, mm1); /* z5 */
|
||
psllw_i2r (2, mm5); /* prepare for multiply */
|
||
|
||
pmulhw_r2r (mm0, mm4); /* multiply by converted real */
|
||
|
||
/* stage 5 */
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm5); /* z3 */
|
||
psllw_i2r (2, mm2); /* prepare for multiply */
|
||
|
||
pmulhw_m2r (RTjpeg_C2pC6, mm2); /* multiply */
|
||
movq_r2r (mm3, mm0); /* copy tmp7 */
|
||
|
||
movq_m2r (*(dataptr + 9), mm7); /* m03:m02|m01:m00 - first line (line 4)and copy into mm7 */
|
||
paddw_r2r (mm1, mm4); /* z2 */
|
||
|
||
paddw_r2r (mm5, mm0); /* z11 */
|
||
psubw_r2r (mm5, mm3); /* z13 */
|
||
|
||
/* stage 6 */
|
||
|
||
movq_r2r (mm3, mm5); /* copy z13 */
|
||
paddw_r2r (mm1, mm2); /* z4 */
|
||
|
||
movq_r2r (mm0, mm6); /* copy z11 */
|
||
psubw_r2r (mm4, mm5); /* y3 */
|
||
|
||
paddw_r2r (mm2, mm6); /* y1 */
|
||
paddw_r2r (mm4, mm3); /* y5 */
|
||
|
||
movq_r2m (mm5, *(dataptr + 7)); /*save y3 */
|
||
|
||
movq_r2m (mm6, *(dataptr + 3)); /*save y1 */
|
||
psubw_r2r (mm2, mm0); /* y7 */
|
||
|
||
/************************************************************************************************
|
||
Start of Transpose
|
||
************************************************************************************************/
|
||
|
||
movq_m2r (*(dataptr + 13), mm6); /* m23:m22|m21:m20 - third line (line 6)and copy into m2 */
|
||
movq_r2r (mm7, mm5); /* copy first line */
|
||
|
||
punpcklwd_r2r (mm3, mm7); /* m11:m01|m10:m00 - interleave first and second lines */
|
||
movq_r2r (mm6, mm2); /* copy third line */
|
||
|
||
punpcklwd_r2r (mm0, mm6); /* m31:m21|m30:m20 - interleave third and fourth lines */
|
||
movq_r2r (mm7, mm1); /* copy first intermediate result */
|
||
|
||
punpckldq_r2r (mm6, mm7); /* m30:m20|m10:m00 - interleave to produce result 1 */
|
||
|
||
punpckhdq_r2r (mm6, mm1); /* m31:m21|m11:m01 - interleave to produce result 2 */
|
||
|
||
movq_r2m (mm7, *(dataptr + 9)); /* write result 1 */
|
||
punpckhwd_r2r (mm3, mm5); /* m13:m03|m12:m02 - interleave first and second lines */
|
||
|
||
movq_r2m (mm1, *(dataptr + 11)); /* write result 2 */
|
||
punpckhwd_r2r (mm0, mm2); /* m33:m23|m32:m22 - interleave third and fourth lines */
|
||
|
||
movq_r2r (mm5, mm1); /* copy first intermediate result */
|
||
punpckldq_r2r (mm2, mm5); /* m32:m22|m12:m02 - interleave to produce result 3 */
|
||
|
||
movq_m2r (*(dataptr + 1), mm0); /* m03:m02|m01:m00 - first line, 4x4 */
|
||
punpckhdq_r2r (mm2, mm1); /* m33:m23|m13:m03 - interleave to produce result 4 */
|
||
|
||
movq_r2m (mm5, *(dataptr + 13)); /* write result 3 */
|
||
|
||
/****** last 4x4 done */
|
||
|
||
movq_r2m (mm1, *(dataptr + 15)); /* write result 4, last 4x4 */
|
||
|
||
movq_m2r (*(dataptr + 5), mm2); /* m23:m22|m21:m20 - third line */
|
||
movq_r2r (mm0, mm6); /* copy first line */
|
||
|
||
punpcklwd_m2r (*(dataptr + 3), mm0); /* m11:m01|m10:m00 - interleave first and second lines */
|
||
movq_r2r (mm2, mm7); /* copy third line */
|
||
|
||
punpcklwd_m2r (*(dataptr + 7), mm2); /* m31:m21|m30:m20 - interleave third and fourth lines */
|
||
movq_r2r (mm0, mm4); /* copy first intermediate result */
|
||
|
||
|
||
|
||
movq_m2r (*(dataptr + 8), mm1); /* n03:n02|n01:n00 - first line */
|
||
punpckldq_r2r (mm2, mm0); /* m30:m20|m10:m00 - interleave to produce first result */
|
||
|
||
movq_m2r (*(dataptr + 12), mm3); /* n23:n22|n21:n20 - third line */
|
||
punpckhdq_r2r (mm2, mm4); /* m31:m21|m11:m01 - interleave to produce second result */
|
||
|
||
punpckhwd_m2r (*(dataptr + 3), mm6); /* m13:m03|m12:m02 - interleave first and second lines */
|
||
movq_r2r (mm1, mm2); /* copy first line */
|
||
|
||
punpckhwd_m2r (*(dataptr + 7), mm7); /* m33:m23|m32:m22 - interleave third and fourth lines */
|
||
movq_r2r (mm6, mm5); /* copy first intermediate result */
|
||
|
||
movq_r2m (mm0, *(dataptr + 8)); /* write result 1 */
|
||
punpckhdq_r2r (mm7, mm5); /* m33:m23|m13:m03 - produce third result */
|
||
|
||
punpcklwd_m2r (*(dataptr + 10), mm1); /* n11:n01|n10:n00 - interleave first and second lines */
|
||
movq_r2r (mm3, mm0); /* copy third line */
|
||
|
||
punpckhwd_m2r (*(dataptr + 10), mm2); /* n13:n03|n12:n02 - interleave first and second lines */
|
||
|
||
movq_r2m (mm4, *(dataptr + 10)); /* write result 2 out */
|
||
punpckldq_r2r (mm7, mm6); /* m32:m22|m12:m02 - produce fourth result */
|
||
|
||
punpcklwd_m2r (*(dataptr + 14), mm3); /* n33:n23|n32:n22 - interleave third and fourth lines */
|
||
movq_r2r (mm1, mm4); /* copy second intermediate result */
|
||
|
||
movq_r2m (mm6, *(dataptr + 12)); /* write result 3 out */
|
||
punpckldq_r2r (mm3, mm1); /* */
|
||
|
||
punpckhwd_m2r (*(dataptr + 14), mm0); /* n33:n23|n32:n22 - interleave third and fourth lines */
|
||
movq_r2r (mm2, mm6); /* copy second intermediate result */
|
||
|
||
movq_r2m (mm5, *(dataptr + 14)); /* write result 4 out */
|
||
punpckhdq_r2r (mm3, mm4); /* n31:n21|n11:n01- produce second result */
|
||
|
||
movq_r2m (mm1, *(dataptr + 1)); /* write result 5 out - (first result for other 4 x 4 block) */
|
||
punpckldq_r2r (mm0, mm2); /* n32:n22|n12:n02- produce third result */
|
||
|
||
movq_r2m (mm4, *(dataptr + 3)); /* write result 6 out */
|
||
punpckhdq_r2r (mm0, mm6); /* n33:n23|n13:n03 - produce fourth result */
|
||
|
||
movq_r2m (mm2, *(dataptr + 5)); /* write result 7 out */
|
||
|
||
movq_m2r (*dataptr, mm0); /* m03:m02|m01:m00 - first line, first 4x4 */
|
||
|
||
movq_r2m (mm6, *(dataptr + 7)); /* write result 8 out */
|
||
|
||
/* Do first 4x4 quadrant, which is used in the beginning of the DCT: */
|
||
|
||
movq_m2r (*(dataptr + 4), mm7); /* m23:m22|m21:m20 - third line */
|
||
movq_r2r (mm0, mm2); /* copy first line */
|
||
|
||
punpcklwd_m2r (*(dataptr + 2), mm0); /* m11:m01|m10:m00 - interleave first and second lines */
|
||
movq_r2r (mm7, mm4); /* copy third line */
|
||
|
||
punpcklwd_m2r (*(dataptr + 6), mm7); /* m31:m21|m30:m20 - interleave third and fourth lines */
|
||
movq_r2r (mm0, mm1); /* copy first intermediate result */
|
||
|
||
movq_m2r (*(dataptr + 2), mm6); /* m13:m12|m11:m10 - second line */
|
||
punpckldq_r2r (mm7, mm0); /* m30:m20|m10:m00 - interleave to produce result 1 */
|
||
|
||
movq_m2r (*(dataptr + 6), mm5); /* m33:m32|m31:m30 - fourth line */
|
||
punpckhdq_r2r (mm7, mm1); /* m31:m21|m11:m01 - interleave to produce result 2 */
|
||
|
||
movq_r2r (mm0, mm7); /* write result 1 */
|
||
punpckhwd_r2r (mm6, mm2); /* m13:m03|m12:m02 - interleave first and second lines */
|
||
|
||
psubw_m2r (*(dataptr + 14), mm7); /* tmp07=x0-x7: Stage 1 */
|
||
movq_r2r (mm1, mm6); /* write result 2 */
|
||
|
||
paddw_m2r (*(dataptr + 14), mm0); /* tmp00=x0+x7: Stage 1 */
|
||
punpckhwd_r2r (mm5, mm4); /* m33:m23|m32:m22 - interleave third and fourth lines */
|
||
|
||
paddw_m2r (*(dataptr + 12), mm1); /* tmp01=x1+x6: Stage 1 */
|
||
movq_r2r (mm2, mm3); /* copy first intermediate result */
|
||
|
||
psubw_m2r (*(dataptr + 12), mm6); /* tmp06=x1-x6: Stage 1 */
|
||
punpckldq_r2r (mm4, mm2); /* m32:m22|m12:m02 - interleave to produce result 3 */
|
||
|
||
movq_r2m (mm7, tmp7); /* save tmp07 */
|
||
movq_r2r (mm2, mm5); /* write result 3 */
|
||
|
||
movq_r2m (mm6, tmp6); /* save tmp06 */
|
||
|
||
punpckhdq_r2r (mm4, mm3); /* m33:m23|m13:m03 - interleave to produce result 4 */
|
||
|
||
paddw_m2r (*(dataptr + 10), mm2); /* tmp02=x2+x5: stage 1 */
|
||
movq_r2r (mm3, mm4); /* write result 4 */
|
||
|
||
/************************************************************************************************
|
||
End of Transpose 2
|
||
************************************************************************************************/
|
||
|
||
paddw_m2r (*(dataptr + 8), mm3); /* tmp03=x3+x4: stage 1 */
|
||
movq_r2r (mm0, mm7);
|
||
|
||
psubw_m2r (*(dataptr + 8), mm4); /* tmp04=x3-x4: stage 1 */
|
||
movq_r2r (mm1, mm6);
|
||
|
||
paddw_r2r (mm3, mm0); /* tmp10 = tmp00 + tmp03: even 2 */
|
||
psubw_r2r (mm3, mm7); /* tmp13 = tmp00 - tmp03: even 2 */
|
||
|
||
psubw_r2r (mm2, mm6); /* tmp12 = tmp01 - tmp02: even 2 */
|
||
paddw_r2r (mm2, mm1); /* tmp11 = tmp01 + tmp02: even 2 */
|
||
|
||
psubw_m2r (*(dataptr + 10), mm5); /* tmp05=x2-x5: stage 1 */
|
||
paddw_r2r (mm7, mm6); /* tmp12 + tmp13 */
|
||
|
||
/* stage 3 */
|
||
|
||
movq_m2r (tmp6, mm2);
|
||
movq_r2r (mm0, mm3);
|
||
|
||
psllw_i2r (2, mm6); /* m8 * 2^2 */
|
||
paddw_r2r (mm1, mm0);
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm6); /* z1 */
|
||
psubw_r2r (mm1, mm3);
|
||
|
||
movq_r2m (mm0, *dataptr);
|
||
movq_r2r (mm7, mm0);
|
||
|
||
/* Odd part */
|
||
movq_r2m (mm3, *(dataptr + 8));
|
||
paddw_r2r (mm5, mm4); /* tmp10 */
|
||
|
||
movq_m2r (tmp7, mm3);
|
||
paddw_r2r (mm6, mm0); /* tmp32 */
|
||
|
||
paddw_r2r (mm2, mm5); /* tmp11 */
|
||
psubw_r2r (mm6, mm7); /* tmp33 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 4));
|
||
paddw_r2r (mm3, mm2); /* tmp12 */
|
||
|
||
/* stage 4 */
|
||
movq_r2m (mm7, *(dataptr + 12));
|
||
movq_r2r (mm4, mm1); /* copy of tmp10 */
|
||
|
||
psubw_r2r (mm2, mm1); /* tmp10 - tmp12 */
|
||
psllw_i2r (2, mm4); /* m8 * 2^2 */
|
||
|
||
movq_m2r (RTjpeg_C2mC6, mm0);
|
||
psllw_i2r (2, mm1);
|
||
|
||
pmulhw_m2r (RTjpeg_C6, mm1); /* z5 */
|
||
psllw_i2r (2, mm2);
|
||
|
||
pmulhw_r2r (mm0, mm4); /* z5 */
|
||
|
||
/* stage 5 */
|
||
|
||
pmulhw_m2r (RTjpeg_C2pC6, mm2);
|
||
psllw_i2r (2, mm5);
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm5); /* z3 */
|
||
movq_r2r (mm3, mm0); /* copy tmp7 */
|
||
|
||
movq_m2r (*(dataptr + 1), mm7);
|
||
paddw_r2r (mm1, mm4); /* z2 */
|
||
|
||
paddw_r2r (mm1, mm2); /* z4 */
|
||
|
||
paddw_r2r (mm5, mm0); /* z11 */
|
||
psubw_r2r (mm5, mm3); /* z13 */
|
||
|
||
/* stage 6 */
|
||
|
||
movq_r2r (mm3, mm5); /* copy z13 */
|
||
psubw_r2r (mm4, mm3); /* y3=z13 - z2 */
|
||
|
||
paddw_r2r (mm4, mm5); /* y5=z13 + z2 */
|
||
movq_r2r (mm0, mm6); /* copy z11 */
|
||
|
||
movq_r2m (mm3, *(dataptr + 6)); /*save y3 */
|
||
psubw_r2r (mm2, mm0); /* y7=z11 - z4 */
|
||
|
||
movq_r2m (mm5, *(dataptr + 10)); /*save y5 */
|
||
paddw_r2r (mm2, mm6); /* y1=z11 + z4 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 14)); /*save y7 */
|
||
|
||
/************************************************
|
||
* End of 1st 4 rows
|
||
************************************************/
|
||
|
||
movq_m2r (*(dataptr + 3), mm1); /* load x1 : stage 1 */
|
||
movq_r2r (mm7, mm0); /* copy x0 */
|
||
|
||
movq_r2m (mm6, *(dataptr + 2)); /*save y1 */
|
||
|
||
movq_m2r (*(dataptr + 5), mm2); /* load x2 : stage 1 */
|
||
movq_r2r (mm1, mm6); /* copy x1 */
|
||
|
||
paddw_m2r (*(dataptr + 15), mm0); /* tmp00 = x0 + x7 */
|
||
|
||
movq_m2r (*(dataptr + 7), mm3); /* load x3 : stage 1 */
|
||
movq_r2r (mm2, mm5); /* copy x2 */
|
||
|
||
psubw_m2r (*(dataptr + 15), mm7); /* tmp07 = x0 - x7 */
|
||
movq_r2r (mm3, mm4); /* copy x3 */
|
||
|
||
paddw_m2r (*(dataptr + 13), mm1); /* tmp01 = x1 + x6 */
|
||
|
||
movq_r2m (mm7, tmp7); /* save tmp07 */
|
||
movq_r2r (mm0, mm7); /* copy tmp00 */
|
||
|
||
psubw_m2r (*(dataptr + 13), mm6); /* tmp06 = x1 - x6 */
|
||
|
||
/* stage 2, Even Part */
|
||
|
||
paddw_m2r (*(dataptr + 9), mm3); /* tmp03 = x3 + x4 */
|
||
|
||
movq_r2m (mm6, tmp6); /* save tmp07 */
|
||
movq_r2r (mm1, mm6); /* copy tmp01 */
|
||
|
||
paddw_m2r (*(dataptr + 11), mm2); /* tmp02 = x2 + x5 */
|
||
paddw_r2r (mm3, mm0); /* tmp10 = tmp00 + tmp03 */
|
||
|
||
psubw_r2r (mm3, mm7); /* tmp13 = tmp00 - tmp03 */
|
||
|
||
psubw_m2r (*(dataptr + 9), mm4); /* tmp04 = x3 - x4 */
|
||
psubw_r2r (mm2, mm6); /* tmp12 = tmp01 - tmp02 */
|
||
|
||
paddw_r2r (mm2, mm1); /* tmp11 = tmp01 + tmp02 */
|
||
|
||
psubw_m2r (*(dataptr + 11), mm5); /* tmp05 = x2 - x5 */
|
||
paddw_r2r (mm7, mm6); /* tmp12 + tmp13 */
|
||
|
||
/* stage 3, Even and stage 4 & 5 even */
|
||
|
||
movq_m2r (tmp6, mm2); /* load tmp6 */
|
||
movq_r2r (mm0, mm3); /* copy tmp10 */
|
||
|
||
psllw_i2r (2, mm6); /* shift z1 */
|
||
paddw_r2r (mm1, mm0); /* y0=tmp10 + tmp11 */
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm6); /* z1 */
|
||
psubw_r2r (mm1, mm3); /* y4=tmp10 - tmp11 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 1)); /*save y0 */
|
||
movq_r2r (mm7, mm0); /* copy tmp13 */
|
||
|
||
/* odd part */
|
||
|
||
movq_r2m (mm3, *(dataptr + 9)); /*save y4 */
|
||
paddw_r2r (mm5, mm4); /* tmp10 = tmp4 + tmp5 */
|
||
|
||
movq_m2r (tmp7, mm3); /* load tmp7 */
|
||
paddw_r2r (mm6, mm0); /* tmp32 = tmp13 + z1 */
|
||
|
||
paddw_r2r (mm2, mm5); /* tmp11 = tmp5 + tmp6 */
|
||
psubw_r2r (mm6, mm7); /* tmp33 = tmp13 - z1 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 5)); /*save y2 */
|
||
paddw_r2r (mm3, mm2); /* tmp12 = tmp6 + tmp7 */
|
||
|
||
/* stage 4 */
|
||
|
||
movq_r2m (mm7, *(dataptr + 13)); /*save y6 */
|
||
movq_r2r (mm4, mm1); /* copy tmp10 */
|
||
|
||
psubw_r2r (mm2, mm1); /* tmp10 - tmp12 */
|
||
psllw_i2r (2, mm4); /* shift tmp10 */
|
||
|
||
movq_m2r (RTjpeg_C2mC6, mm0); /* load C2mC6 */
|
||
psllw_i2r (2, mm1); /* shift (tmp10-tmp12) */
|
||
|
||
pmulhw_m2r (RTjpeg_C6, mm1); /* z5 */
|
||
psllw_i2r (2, mm5); /* prepare for multiply */
|
||
|
||
pmulhw_r2r (mm0, mm4); /* multiply by converted real */
|
||
|
||
/* stage 5 */
|
||
|
||
pmulhw_m2r (RTjpeg_C4, mm5); /* z3 */
|
||
psllw_i2r (2, mm2); /* prepare for multiply */
|
||
|
||
pmulhw_m2r (RTjpeg_C2pC6, mm2); /* multiply */
|
||
movq_r2r (mm3, mm0); /* copy tmp7 */
|
||
|
||
movq_m2r (*(dataptr + 9), mm7); /* m03:m02|m01:m00 - first line (line 4)and copy into mm7 */
|
||
paddw_r2r (mm1, mm4); /* z2 */
|
||
|
||
paddw_r2r (mm5, mm0); /* z11 */
|
||
psubw_r2r (mm5, mm3); /* z13 */
|
||
|
||
/* stage 6 */
|
||
|
||
movq_r2r (mm3, mm5); /* copy z13 */
|
||
paddw_r2r (mm1, mm2); /* z4 */
|
||
|
||
movq_r2r (mm0, mm6); /* copy z11 */
|
||
psubw_r2r (mm4, mm5); /* y3 */
|
||
|
||
paddw_r2r (mm2, mm6); /* y1 */
|
||
paddw_r2r (mm4, mm3); /* y5 */
|
||
|
||
movq_r2m (mm5, *(dataptr + 7)); /*save y3 */
|
||
psubw_r2r (mm2, mm0); /* y<>=z11 - z4 */
|
||
|
||
movq_r2m (mm3, *(dataptr + 11)); /*save y5 */
|
||
|
||
movq_r2m (mm6, *(dataptr + 3)); /*save y1 */
|
||
|
||
movq_r2m (mm0, *(dataptr + 15)); /*save y7 */
|
||
|
||
|
||
#endif
|
||
}
|
||
|
||
#define FIX_1_082392200 ((__s32) 277) /* FIX(1.082392200) */
|
||
#define FIX_1_414213562 ((__s32) 362) /* FIX(1.414213562) */
|
||
#define FIX_1_847759065 ((__s32) 473) /* FIX(1.847759065) */
|
||
#define FIX_2_613125930 ((__s32) 669) /* FIX(2.613125930) */
|
||
|
||
#define DESCALE(x) (__s16)( ((x)+4) >> 3)
|
||
|
||
/* clip yuv to 16..235 (should be 16..240 for cr/cb but ... */
|
||
|
||
#define RL(x) ((x)>235) ? 235 : (((x)<16) ? 16 : (x))
|
||
#define MULTIPLY(var,const) (((__s32) ((var) * (const)) + 128)>>8)
|
||
|
||
void
|
||
RTjpeg_idct_init (void)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < 64; i++) {
|
||
RTjpeg_liqt[i] = ((__u64) RTjpeg_liqt[i] * RTjpeg_aan_tab[i]) >> 32;
|
||
RTjpeg_ciqt[i] = ((__u64) RTjpeg_ciqt[i] * RTjpeg_aan_tab[i]) >> 32;
|
||
}
|
||
}
|
||
|
||
void
|
||
RTjpeg_idct (__u8 * odata, __s16 * data, int rskip)
|
||
{
|
||
#ifdef HAVE_LIBMMX
|
||
|
||
static mmx_t fix_141 = (mmx_t) (long long) 0x5a825a825a825a82LL;
|
||
static mmx_t fix_184n261 = (mmx_t) (long long) 0xcf04cf04cf04cf04LL;
|
||
static mmx_t fix_184 = (mmx_t) (long long) 0x7641764176417641LL;
|
||
static mmx_t fix_n184 = (mmx_t) (long long) 0x896f896f896f896fLL;
|
||
static mmx_t fix_108n184 = (mmx_t) (long long) 0xcf04cf04cf04cf04LL;
|
||
|
||
mmx_t workspace[64];
|
||
mmx_t *wsptr = workspace;
|
||
register mmx_t *dataptr = (mmx_t *) odata;
|
||
mmx_t *idata = (mmx_t *) data;
|
||
|
||
rskip = rskip >> 3;
|
||
/*
|
||
* Perform inverse DCT on one block of coefficients.
|
||
*/
|
||
|
||
/* Odd part */
|
||
|
||
movq_m2r (*(idata + 10), mm1); /* load idata[DCTSIZE*5] */
|
||
|
||
movq_m2r (*(idata + 6), mm0); /* load idata[DCTSIZE*3] */
|
||
|
||
movq_m2r (*(idata + 2), mm3); /* load idata[DCTSIZE*1] */
|
||
|
||
movq_r2r (mm1, mm2); /* copy tmp6 : phase 6 */
|
||
*/movq_m2r (*(idata + 14), mm4); /* load idata[DCTSIZE*7] */
|
||
|
||
paddw_r2r (mm0, mm1); /* z13 = tmp6 + tmp5; */
|
||
|
||
psubw_r2r (mm0, mm2); /* z10 = tmp6 - tmp5 */
|
||
|
||
psllw_i2r (2, mm2); /* shift z10 */
|
||
movq_r2r (mm2, mm0); /* copy z10 */
|
||
|
||
pmulhw_m2r (fix_184n261, mm2); /* MULTIPLY( z12, FIX_1_847759065); : 2*c2 */
|
||
movq_r2r (mm3, mm5); /* copy tmp4 */
|
||
|
||
pmulhw_m2r (fix_n184, mm0); /* MULTIPLY(z10, -FIX_1_847759065); : 2*c2 */
|
||
paddw_r2r (mm4, mm3); /* z11 = tmp4 + tmp7; */
|
||
|
||
movq_r2r (mm3, mm6); /* copy z11 : phase 5 */
|
||
psubw_r2r (mm4, mm5); /* z12 = tmp4 - tmp7; */
|
||
|
||
psubw_r2r (mm1, mm6); /* z11-z13 */
|
||
psllw_i2r (2, mm5); /* shift z12 */
|
||
|
||
movq_m2r (*(idata + 12), mm4); /* load idata[DCTSIZE*6], even part */
|
||
movq_r2r (mm5, mm7); /* copy z12 */
|
||
|
||
pmulhw_m2r (fix_108n184, mm5); /* MULT(z12, (FIX_1_08-FIX_1_84)) //- z5; 2*(c2-c6): even part */
|
||
paddw_r2r (mm1, mm3); /* tmp7 = z11 + z13; */
|
||
|
||
/*ok */
|
||
|
||
/* Even part */
|
||
pmulhw_m2r (fix_184, mm7); /* MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) //+ z5; -2*(c2+c6) */
|
||
psllw_i2r (2, mm6);
|
||
|
||
movq_m2r (*(idata + 4), mm1); /* load idata[DCTSIZE*2] */
|
||
|
||
paddw_r2r (mm5, mm0); /* tmp10 */
|
||
|
||
paddw_r2r (mm7, mm2); /* tmp12 */
|
||
|
||
pmulhw_m2r (fix_141, mm6); /* tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); 2*c4 */
|
||
psubw_r2r (mm3, mm2); /* tmp6 = tmp12 - tmp7 */
|
||
|
||
movq_r2r (mm1, mm5); /* copy tmp1 */
|
||
paddw_r2r (mm4, mm1); /* tmp13= tmp1 + tmp3; phases 5-3 */
|
||
|
||
psubw_r2r (mm4, mm5); /* tmp1-tmp3 */
|
||
psubw_r2r (mm2, mm6); /* tmp5 = tmp11 - tmp6; */
|
||
|
||
movq_r2m (mm1, *(wsptr)); /* save tmp13 in workspace */
|
||
psllw_i2r (2, mm5); /* shift tmp1-tmp3 */
|
||
|
||
movq_m2r (*(idata), mm7); /* load idata[DCTSIZE*0] */
|
||
|
||
pmulhw_m2r (fix_141, mm5); /* MULTIPLY(tmp1 - tmp3, FIX_1_414213562) */
|
||
paddw_r2r (mm6, mm0); /* tmp4 = tmp10 + tmp5; */
|
||
|
||
movq_m2r (*(idata + 8), mm4); /* load idata[DCTSIZE*4] */
|
||
|
||
psubw_r2r (mm1, mm5); /* tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; 2*c4 */
|
||
|
||
movq_r2m (mm0, *(wsptr + 4)); /* save tmp4 in workspace */
|
||
movq_r2r (mm7, mm1); /* copy tmp0 : phase 3 */
|
||
|
||
movq_r2m (mm5, *(wsptr + 2)); /* save tmp12 in workspace */
|
||
psubw_r2r (mm4, mm1); /* tmp11 = tmp0 - tmp2; */
|
||
|
||
paddw_r2r (mm4, mm7); /* tmp10 = tmp0 + tmp2; */
|
||
movq_r2r (mm1, mm5); /* copy tmp11 */
|
||
|
||
paddw_m2r (*(wsptr + 2), mm1); /* tmp1 = tmp11 + tmp12; */
|
||
movq_r2r (mm7, mm4); /* copy tmp10 : phase 2 */
|
||
|
||
paddw_m2r (*(wsptr), mm7); /* tmp0 = tmp10 + tmp13; */
|
||
|
||
psubw_m2r (*(wsptr), mm4); /* tmp3 = tmp10 - tmp13; */
|
||
movq_r2r (mm7, mm0); /* copy tmp0 */
|
||
|
||
psubw_m2r (*(wsptr + 2), mm5); /* tmp2 = tmp11 - tmp12; */
|
||
paddw_r2r (mm3, mm7); /* wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7); */
|
||
|
||
psubw_r2r (mm3, mm0); /* wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7); */
|
||
|
||
movq_r2m (mm7, *(wsptr)); /* wsptr[DCTSIZE*0] */
|
||
movq_r2r (mm1, mm3); /* copy tmp1 */
|
||
|
||
movq_r2m (mm0, *(wsptr + 14)); /* wsptr[DCTSIZE*7] */
|
||
paddw_r2r (mm2, mm1); /* wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6); */
|
||
|
||
psubw_r2r (mm2, mm3); /* wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6); */
|
||
|
||
movq_r2m (mm1, *(wsptr + 2)); /* wsptr[DCTSIZE*1] */
|
||
movq_r2r (mm4, mm1); /* copy tmp3 */
|
||
|
||
movq_r2m (mm3, *(wsptr + 12)); /* wsptr[DCTSIZE*6] */
|
||
|
||
paddw_m2r (*(wsptr + 4), mm4); /* wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4); */
|
||
|
||
psubw_m2r (*(wsptr + 4), mm1); /* wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4); */
|
||
|
||
movq_r2m (mm4, *(wsptr + 8));
|
||
movq_r2r (mm5, mm7); /* copy tmp2 */
|
||
|
||
paddw_r2r (mm6, mm5); /* wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5) */
|
||
|
||
movq_r2m (mm1, *(wsptr + 6));
|
||
psubw_r2r (mm6, mm7); /* wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5); */
|
||
|
||
movq_r2m (mm5, *(wsptr + 4));
|
||
|
||
movq_r2m (mm7, *(wsptr + 10));
|
||
|
||
/*ok */
|
||
|
||
|
||
/*****************************************************************/
|
||
|
||
idata++;
|
||
wsptr++;
|
||
|
||
/*****************************************************************/
|
||
|
||
movq_m2r (*(idata + 10), mm1); /* load idata[DCTSIZE*5] */
|
||
|
||
movq_m2r (*(idata + 6), mm0); /* load idata[DCTSIZE*3] */
|
||
|
||
movq_m2r (*(idata + 2), mm3); /* load idata[DCTSIZE*1] */
|
||
movq_r2r (mm1, mm2); /* copy tmp6 : phase 6 */
|
||
*/movq_m2r (*(idata + 14), mm4); /* load idata[DCTSIZE*7] */
|
||
paddw_r2r (mm0, mm1); /* z13 = tmp6 + tmp5; */
|
||
|
||
psubw_r2r (mm0, mm2); /* z10 = tmp6 - tmp5 */
|
||
|
||
psllw_i2r (2, mm2); /* shift z10 */
|
||
movq_r2r (mm2, mm0); /* copy z10 */
|
||
|
||
pmulhw_m2r (fix_184n261, mm2); /* MULTIPLY( z12, FIX_1_847759065); : 2*c2 */
|
||
movq_r2r (mm3, mm5); /* copy tmp4 */
|
||
|
||
pmulhw_m2r (fix_n184, mm0); /* MULTIPLY(z10, -FIX_1_847759065); : 2*c2 */
|
||
paddw_r2r (mm4, mm3); /* z11 = tmp4 + tmp7; */
|
||
|
||
movq_r2r (mm3, mm6); /* copy z11 : phase 5 */
|
||
psubw_r2r (mm4, mm5); /* z12 = tmp4 - tmp7; */
|
||
|
||
psubw_r2r (mm1, mm6); /* z11-z13 */
|
||
psllw_i2r (2, mm5); /* shift z12 */
|
||
|
||
movq_m2r (*(idata + 12), mm4); /* load idata[DCTSIZE*6], even part */
|
||
movq_r2r (mm5, mm7); /* copy z12 */
|
||
|
||
pmulhw_m2r (fix_108n184, mm5); /* MULT(z12, (FIX_1_08-FIX_1_84)) //- z5; 2*(c2-c6) even part */
|
||
paddw_r2r (mm1, mm3); /* tmp7 = z11 + z13; */
|
||
|
||
/*ok */
|
||
|
||
/* Even part */
|
||
pmulhw_m2r (fix_184, mm7); /* MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) //+ z5; -2*(c2+c6) */
|
||
psllw_i2r (2, mm6);
|
||
|
||
movq_m2r (*(idata + 4), mm1); /* load idata[DCTSIZE*2] */
|
||
|
||
paddw_r2r (mm5, mm0); /* tmp10 */
|
||
|
||
paddw_r2r (mm7, mm2); /* tmp12 */
|
||
|
||
pmulhw_m2r (fix_141, mm6); /* tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); 2*c4 */
|
||
psubw_r2r (mm3, mm2); /* tmp6 = tmp12 - tmp7 */
|
||
|
||
movq_r2r (mm1, mm5); /* copy tmp1 */
|
||
paddw_r2r (mm4, mm1); /* tmp13= tmp1 + tmp3; phases 5-3 */
|
||
|
||
psubw_r2r (mm4, mm5); /* tmp1-tmp3 */
|
||
psubw_r2r (mm2, mm6); /* tmp5 = tmp11 - tmp6; */
|
||
|
||
movq_r2m (mm1, *(wsptr)); /* save tmp13 in workspace */
|
||
psllw_i2r (2, mm5); /* shift tmp1-tmp3 */
|
||
|
||
movq_m2r (*(idata), mm7); /* load idata[DCTSIZE*0] */
|
||
paddw_r2r (mm6, mm0); /* tmp4 = tmp10 + tmp5; */
|
||
|
||
pmulhw_m2r (fix_141, mm5); /* MULTIPLY(tmp1 - tmp3, FIX_1_414213562) */
|
||
|
||
movq_m2r (*(idata + 8), mm4); /* load idata[DCTSIZE*4] */
|
||
|
||
psubw_r2r (mm1, mm5); /* tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; 2*c4 */
|
||
|
||
movq_r2m (mm0, *(wsptr + 4)); /* save tmp4 in workspace */
|
||
movq_r2r (mm7, mm1); /* copy tmp0: phase 3 */
|
||
|
||
movq_r2m (mm5, *(wsptr + 2)); /* save tmp12 in workspace */
|
||
psubw_r2r (mm4, mm1); /* tmp11 = tmp0 - tmp2; */
|
||
|
||
paddw_r2r (mm4, mm7); /* tmp10 = tmp0 + tmp2; */
|
||
movq_r2r (mm1, mm5); /* copy tmp11 */
|
||
|
||
paddw_m2r (*(wsptr + 2), mm1); /* tmp1 = tmp11 + tmp12; */
|
||
movq_r2r (mm7, mm4); /* copy tmp10: phase 2 */
|
||
|
||
paddw_m2r (*(wsptr), mm7); /* tmp0 = tmp10 + tmp13; */
|
||
|
||
psubw_m2r (*(wsptr), mm4); /* tmp3 = tmp10 - tmp13; */
|
||
movq_r2r (mm7, mm0); /* copy tmp0 */
|
||
|
||
psubw_m2r (*(wsptr + 2), mm5); /* tmp2 = tmp11 - tmp12; */
|
||
paddw_r2r (mm3, mm7); /* wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7); */
|
||
|
||
psubw_r2r (mm3, mm0); /* wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7); */
|
||
|
||
movq_r2m (mm7, *(wsptr)); /* wsptr[DCTSIZE*0] */
|
||
movq_r2r (mm1, mm3); /* copy tmp1 */
|
||
|
||
movq_r2m (mm0, *(wsptr + 14)); /* wsptr[DCTSIZE*7] */
|
||
paddw_r2r (mm2, mm1); /* wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6); */
|
||
|
||
psubw_r2r (mm2, mm3); /* wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6); */
|
||
|
||
movq_r2m (mm1, *(wsptr + 2)); /* wsptr[DCTSIZE*1] */
|
||
movq_r2r (mm4, mm1); /* copy tmp3 */
|
||
|
||
movq_r2m (mm3, *(wsptr + 12)); /* wsptr[DCTSIZE*6] */
|
||
|
||
paddw_m2r (*(wsptr + 4), mm4); /* wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4); */
|
||
|
||
psubw_m2r (*(wsptr + 4), mm1); /* wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4); */
|
||
|
||
movq_r2m (mm4, *(wsptr + 8));
|
||
movq_r2r (mm5, mm7); /* copy tmp2 */
|
||
|
||
paddw_r2r (mm6, mm5); /* wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5) */
|
||
|
||
movq_r2m (mm1, *(wsptr + 6));
|
||
psubw_r2r (mm6, mm7); /* wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5); */
|
||
|
||
movq_r2m (mm5, *(wsptr + 4));
|
||
|
||
movq_r2m (mm7, *(wsptr + 10));
|
||
|
||
/*****************************************************************/
|
||
|
||
/* Pass 2: process rows from work array, store into output array. */
|
||
/* Note that we must descale the results by a factor of 8 == 2**3, */
|
||
/* and also undo the PASS1_BITS scaling. */
|
||
|
||
/*****************************************************************/
|
||
/* Even part */
|
||
|
||
wsptr--;
|
||
|
||
/* tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); */
|
||
/* tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); */
|
||
/* tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); */
|
||
/* tmp14 = ((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6]); */
|
||
movq_m2r (*(wsptr), mm0); /* wsptr[0,0],[0,1],[0,2],[0,3] */
|
||
|
||
movq_m2r (*(wsptr + 1), mm1); /* wsptr[0,4],[0,5],[0,6],[0,7] */
|
||
movq_r2r (mm0, mm2);
|
||
|
||
movq_m2r (*(wsptr + 2), mm3); /* wsptr[1,0],[1,1],[1,2],[1,3] */
|
||
paddw_r2r (mm1, mm0); /* wsptr[0,tmp10],[xxx],[0,tmp13],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 3), mm4); /* wsptr[1,4],[1,5],[1,6],[1,7] */
|
||
psubw_r2r (mm1, mm2); /* wsptr[0,tmp11],[xxx],[0,tmp14],[xxx] */
|
||
|
||
movq_r2r (mm0, mm6);
|
||
movq_r2r (mm3, mm5);
|
||
|
||
paddw_r2r (mm4, mm3); /* wsptr[1,tmp10],[xxx],[1,tmp13],[xxx] */
|
||
movq_r2r (mm2, mm1);
|
||
|
||
psubw_r2r (mm4, mm5); /* wsptr[1,tmp11],[xxx],[1,tmp14],[xxx] */
|
||
punpcklwd_r2r (mm3, mm0); /* wsptr[0,tmp10],[1,tmp10],[xxx],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 7), mm7); /* wsptr[3,4],[3,5],[3,6],[3,7] */
|
||
punpckhwd_r2r (mm3, mm6); /* wsptr[0,tmp13],[1,tmp13],[xxx],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 4), mm3); /* wsptr[2,0],[2,1],[2,2],[2,3] */
|
||
punpckldq_r2r (mm6, mm0); /* wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] */
|
||
|
||
punpcklwd_r2r (mm5, mm1); /* wsptr[0,tmp11],[1,tmp11],[xxx],[xxx] */
|
||
movq_r2r (mm3, mm4);
|
||
|
||
movq_m2r (*(wsptr + 6), mm6); /* wsptr[3,0],[3,1],[3,2],[3,3] */
|
||
punpckhwd_r2r (mm5, mm2); /* wsptr[0,tmp14],[1,tmp14],[xxx],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 5), mm5); /* wsptr[2,4],[2,5],[2,6],[2,7] */
|
||
punpckldq_r2r (mm2, mm1); /* wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] */
|
||
|
||
|
||
paddw_r2r (mm5, mm3); /* wsptr[2,tmp10],[xxx],[2,tmp13],[xxx] */
|
||
movq_r2r (mm6, mm2);
|
||
|
||
psubw_r2r (mm5, mm4); /* wsptr[2,tmp11],[xxx],[2,tmp14],[xxx] */
|
||
paddw_r2r (mm7, mm6); /* wsptr[3,tmp10],[xxx],[3,tmp13],[xxx] */
|
||
|
||
movq_r2r (mm3, mm5);
|
||
punpcklwd_r2r (mm6, mm3); /* wsptr[2,tmp10],[3,tmp10],[xxx],[xxx] */
|
||
|
||
psubw_r2r (mm7, mm2); /* wsptr[3,tmp11],[xxx],[3,tmp14],[xxx] */
|
||
punpckhwd_r2r (mm6, mm5); /* wsptr[2,tmp13],[3,tmp13],[xxx],[xxx] */
|
||
|
||
movq_r2r (mm4, mm7);
|
||
punpckldq_r2r (mm5, mm3); /* wsptr[2,tmp10],[3,tmp10],[2,tmp13],[3,tmp13] */
|
||
|
||
punpcklwd_r2r (mm2, mm4); /* wsptr[2,tmp11],[3,tmp11],[xxx],[xxx] */
|
||
|
||
punpckhwd_r2r (mm2, mm7); /* wsptr[2,tmp14],[3,tmp14],[xxx],[xxx] */
|
||
|
||
punpckldq_r2r (mm7, mm4); /* wsptr[2,tmp11],[3,tmp11],[2,tmp14],[3,tmp14] */
|
||
movq_r2r (mm1, mm6);
|
||
|
||
/*ok */
|
||
|
||
/* mm0 = ;wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] */
|
||
/* mm1 = ;wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] */
|
||
|
||
|
||
movq_r2r (mm0, mm2);
|
||
punpckhdq_r2r (mm4, mm6); /* wsptr[0,tmp14],[1,tmp14],[2,tmp14],[3,tmp14] */
|
||
|
||
punpckldq_r2r (mm4, mm1); /* wsptr[0,tmp11],[1,tmp11],[2,tmp11],[3,tmp11] */
|
||
psllw_i2r (2, mm6);
|
||
|
||
pmulhw_m2r (fix_141, mm6);
|
||
punpckldq_r2r (mm3, mm0); /* wsptr[0,tmp10],[1,tmp10],[2,tmp10],[3,tmp10] */
|
||
|
||
punpckhdq_r2r (mm3, mm2); /* wsptr[0,tmp13],[1,tmp13],[2,tmp13],[3,tmp13] */
|
||
movq_r2r (mm0, mm7);
|
||
|
||
/* tmp0 = tmp10 + tmp13; */
|
||
/* tmp3 = tmp10 - tmp13; */
|
||
paddw_r2r (mm2, mm0); /* [0,tmp0],[1,tmp0],[2,tmp0],[3,tmp0] */
|
||
psubw_r2r (mm2, mm7); /* [0,tmp3],[1,tmp3],[2,tmp3],[3,tmp3] */
|
||
|
||
/* tmp12 = MULTIPLY(tmp14, FIX_1_414213562) - tmp13; */
|
||
psubw_r2r (mm2, mm6); /* wsptr[0,tmp12],[1,tmp12],[2,tmp12],[3,tmp12] */
|
||
/* tmp1 = tmp11 + tmp12; */
|
||
/* tmp2 = tmp11 - tmp12; */
|
||
movq_r2r (mm1, mm5);
|
||
|
||
/*OK */
|
||
|
||
/* Odd part */
|
||
|
||
/* z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; */
|
||
/* z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; */
|
||
/* z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; */
|
||
/* z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; */
|
||
movq_m2r (*(wsptr), mm3); /* wsptr[0,0],[0,1],[0,2],[0,3] */
|
||
paddw_r2r (mm6, mm1); /* [0,tmp1],[1,tmp1],[2,tmp1],[3,tmp1] */
|
||
|
||
movq_m2r (*(wsptr + 1), mm4); /* wsptr[0,4],[0,5],[0,6],[0,7] */
|
||
psubw_r2r (mm6, mm5); /* [0,tmp2],[1,tmp2],[2,tmp2],[3,tmp2] */
|
||
|
||
movq_r2r (mm3, mm6);
|
||
punpckldq_r2r (mm4, mm3); /* wsptr[0,0],[0,1],[0,4],[0,5] */
|
||
|
||
punpckhdq_r2r (mm6, mm4); /* wsptr[0,6],[0,7],[0,2],[0,3] */
|
||
movq_r2r (mm3, mm2);
|
||
|
||
/*Save tmp0 and tmp1 in wsptr */
|
||
movq_r2m (mm0, *(wsptr)); /* save tmp0 */
|
||
paddw_r2r (mm4, mm2); /* wsptr[xxx],[0,z11],[xxx],[0,z13] */
|
||
|
||
|
||
/*Continue with z10 --- z13 */
|
||
movq_m2r (*(wsptr + 2), mm6); /* wsptr[1,0],[1,1],[1,2],[1,3] */
|
||
psubw_r2r (mm4, mm3); /* wsptr[xxx],[0,z12],[xxx],[0,z10] */
|
||
|
||
movq_m2r (*(wsptr + 3), mm0); /* wsptr[1,4],[1,5],[1,6],[1,7] */
|
||
movq_r2r (mm6, mm4);
|
||
|
||
movq_r2m (mm1, *(wsptr + 1)); /* save tmp1 */
|
||
punpckldq_r2r (mm0, mm6); /* wsptr[1,0],[1,1],[1,4],[1,5] */
|
||
|
||
punpckhdq_r2r (mm4, mm0); /* wsptr[1,6],[1,7],[1,2],[1,3] */
|
||
movq_r2r (mm6, mm1);
|
||
|
||
/*Save tmp2 and tmp3 in wsptr */
|
||
paddw_r2r (mm0, mm6); /* wsptr[xxx],[1,z11],[xxx],[1,z13] */
|
||
movq_r2r (mm2, mm4);
|
||
|
||
/*Continue with z10 --- z13 */
|
||
movq_r2m (mm5, *(wsptr + 2)); /* save tmp2 */
|
||
punpcklwd_r2r (mm6, mm2); /* wsptr[xxx],[xxx],[0,z11],[1,z11] */
|
||
|
||
psubw_r2r (mm0, mm1); /* wsptr[xxx],[1,z12],[xxx],[1,z10] */
|
||
punpckhwd_r2r (mm6, mm4); /* wsptr[xxx],[xxx],[0,z13],[1,z13] */
|
||
|
||
movq_r2r (mm3, mm0);
|
||
punpcklwd_r2r (mm1, mm3); /* wsptr[xxx],[xxx],[0,z12],[1,z12] */
|
||
|
||
movq_r2m (mm7, *(wsptr + 3)); /* save tmp3 */
|
||
punpckhwd_r2r (mm1, mm0); /* wsptr[xxx],[xxx],[0,z10],[1,z10] */
|
||
|
||
movq_m2r (*(wsptr + 4), mm6); /* wsptr[2,0],[2,1],[2,2],[2,3] */
|
||
punpckhdq_r2r (mm2, mm0); /* wsptr[0,z10],[1,z10],[0,z11],[1,z11] */
|
||
|
||
movq_m2r (*(wsptr + 5), mm7); /* wsptr[2,4],[2,5],[2,6],[2,7] */
|
||
punpckhdq_r2r (mm4, mm3); /* wsptr[0,z12],[1,z12],[0,z13],[1,z13] */
|
||
|
||
movq_m2r (*(wsptr + 6), mm1); /* wsptr[3,0],[3,1],[3,2],[3,3] */
|
||
movq_r2r (mm6, mm4);
|
||
|
||
punpckldq_r2r (mm7, mm6); /* wsptr[2,0],[2,1],[2,4],[2,5] */
|
||
movq_r2r (mm1, mm5);
|
||
|
||
punpckhdq_r2r (mm4, mm7); /* wsptr[2,6],[2,7],[2,2],[2,3] */
|
||
movq_r2r (mm6, mm2);
|
||
|
||
movq_m2r (*(wsptr + 7), mm4); /* wsptr[3,4],[3,5],[3,6],[3,7] */
|
||
paddw_r2r (mm7, mm6); /* wsptr[xxx],[2,z11],[xxx],[2,z13] */
|
||
|
||
psubw_r2r (mm7, mm2); /* wsptr[xxx],[2,z12],[xxx],[2,z10] */
|
||
punpckldq_r2r (mm4, mm1); /* wsptr[3,0],[3,1],[3,4],[3,5] */
|
||
|
||
punpckhdq_r2r (mm5, mm4); /* wsptr[3,6],[3,7],[3,2],[3,3] */
|
||
movq_r2r (mm1, mm7);
|
||
|
||
paddw_r2r (mm4, mm1); /* wsptr[xxx],[3,z11],[xxx],[3,z13] */
|
||
psubw_r2r (mm4, mm7); /* wsptr[xxx],[3,z12],[xxx],[3,z10] */
|
||
|
||
movq_r2r (mm6, mm5);
|
||
punpcklwd_r2r (mm1, mm6); /* wsptr[xxx],[xxx],[2,z11],[3,z11] */
|
||
|
||
punpckhwd_r2r (mm1, mm5); /* wsptr[xxx],[xxx],[2,z13],[3,z13] */
|
||
movq_r2r (mm2, mm4);
|
||
|
||
punpcklwd_r2r (mm7, mm2); /* wsptr[xxx],[xxx],[2,z12],[3,z12] */
|
||
|
||
punpckhwd_r2r (mm7, mm4); /* wsptr[xxx],[xxx],[2,z10],[3,z10] */
|
||
|
||
punpckhdq_r2r (mm6, mm4); /*/ wsptr[2,z10],[3,z10],[2,z11],[3,z11] */
|
||
|
||
punpckhdq_r2r (mm5, mm2); /* wsptr[2,z12],[3,z12],[2,z13],[3,z13] */
|
||
movq_r2r (mm0, mm5);
|
||
|
||
punpckldq_r2r (mm4, mm0); /* wsptr[0,z10],[1,z10],[2,z10],[3,z10] */
|
||
|
||
punpckhdq_r2r (mm4, mm5); /* wsptr[0,z11],[1,z11],[2,z11],[3,z11] */
|
||
movq_r2r (mm3, mm4);
|
||
|
||
punpckhdq_r2r (mm2, mm4); /* wsptr[0,z13],[1,z13],[2,z13],[3,z13] */
|
||
movq_r2r (mm5, mm1);
|
||
|
||
punpckldq_r2r (mm2, mm3); /* wsptr[0,z12],[1,z12],[2,z12],[3,z12] */
|
||
/* tmp7 = z11 + z13; : phase 5 */
|
||
/* tmp8 = z11 - z13; : phase 5 */
|
||
psubw_r2r (mm4, mm1); /* tmp8 */
|
||
|
||
paddw_r2r (mm4, mm5); /* tmp7 */
|
||
/* tmp21 = MULTIPLY(tmp8, FIX_1_414213562); 2*c4 */
|
||
psllw_i2r (2, mm1);
|
||
|
||
psllw_i2r (2, mm0);
|
||
|
||
pmulhw_m2r (fix_141, mm1); /* tmp21 */
|
||
/* tmp20 = MULTIPLY(z12, (FIX_1_082392200- FIX_1_847759065)) 2*(c2-c6) */
|
||
/* + MULTIPLY(z10, - FIX_1_847759065); : 2*c2 */
|
||
psllw_i2r (2, mm3);
|
||
movq_r2r (mm0, mm7);
|
||
|
||
pmulhw_m2r (fix_n184, mm7);
|
||
movq_r2r (mm3, mm6);
|
||
|
||
movq_m2r (*(wsptr), mm2); /* tmp0,final1 */
|
||
|
||
pmulhw_m2r (fix_108n184, mm6);
|
||
/* tmp22 = MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) : -2*(c2+c6) */
|
||
/* + MULTIPLY(z12, FIX_1_847759065); 2*c2 */
|
||
movq_r2r (mm2, mm4); /* final1 */
|
||
|
||
pmulhw_m2r (fix_184n261, mm0);
|
||
paddw_r2r (mm5, mm2); /* tmp0+tmp7,final1 */
|
||
|
||
pmulhw_m2r (fix_184, mm3);
|
||
psubw_r2r (mm5, mm4); /* tmp0-tmp7,final1 */
|
||
|
||
/* tmp6 = tmp22 - tmp7; phase 2 */
|
||
psraw_i2r (3, mm2); /* outptr[0,0],[1,0],[2,0],[3,0],final1 */
|
||
|
||
paddw_r2r (mm6, mm7); /* tmp20 */
|
||
psraw_i2r (3, mm4); /* outptr[0,7],[1,7],[2,7],[3,7],final1 */
|
||
|
||
paddw_r2r (mm0, mm3); /* tmp22 */
|
||
|
||
/* tmp5 = tmp21 - tmp6; */
|
||
psubw_r2r (mm5, mm3); /* tmp6 */
|
||
|
||
/* tmp4 = tmp20 + tmp5; */
|
||
movq_m2r (*(wsptr + 1), mm0); /* tmp1,final2 */
|
||
psubw_r2r (mm3, mm1); /* tmp5 */
|
||
|
||
movq_r2r (mm0, mm6); /* final2 */
|
||
paddw_r2r (mm3, mm0); /* tmp1+tmp6,final2 */
|
||
|
||
/* Final output stage: scale down by a factor of 8 and range-limit */
|
||
|
||
|
||
/* outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final1 */
|
||
|
||
|
||
/* outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final2 */
|
||
psubw_r2r (mm3, mm6); /* tmp1-tmp6,final2 */
|
||
psraw_i2r (3, mm0); /* outptr[0,1],[1,1],[2,1],[3,1] */
|
||
|
||
psraw_i2r (3, mm6); /* outptr[0,6],[1,6],[2,6],[3,6] */
|
||
|
||
packuswb_r2r (mm4, mm0); /* out[0,1],[1,1],[2,1],[3,1],[0,7],[1,7],[2,7],[3,7] */
|
||
|
||
movq_m2r (*(wsptr + 2), mm5); /* tmp2,final3 */
|
||
packuswb_r2r (mm6, mm2); /* out[0,0],[1,0],[2,0],[3,0],[0,6],[1,6],[2,6],[3,6] */
|
||
|
||
/* outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final3 */
|
||
paddw_r2r (mm1, mm7); /* tmp4 */
|
||
movq_r2r (mm5, mm3);
|
||
|
||
paddw_r2r (mm1, mm5); /* tmp2+tmp5 */
|
||
psubw_r2r (mm1, mm3); /* tmp2-tmp5 */
|
||
|
||
psraw_i2r (3, mm5); /* outptr[0,2],[1,2],[2,2],[3,2] */
|
||
|
||
movq_m2r (*(wsptr + 3), mm4); /* tmp3,final4 */
|
||
psraw_i2r (3, mm3); /* outptr[0,5],[1,5],[2,5],[3,5] */
|
||
|
||
|
||
|
||
/* outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final4 */
|
||
movq_r2r (mm4, mm6);
|
||
paddw_r2r (mm7, mm4); /* tmp3+tmp4 */
|
||
|
||
psubw_r2r (mm7, mm6); /* tmp3-tmp4 */
|
||
psraw_i2r (3, mm4); /* outptr[0,4],[1,4],[2,4],[3,4] */
|
||
|
||
/* mov ecx, [dataptr] */
|
||
|
||
psraw_i2r (3, mm6); /* outptr[0,3],[1,3],[2,3],[3,3] */
|
||
|
||
packuswb_r2r (mm4, mm5); /* out[0,2],[1,2],[2,2],[3,2],[0,4],[1,4],[2,4],[3,4] */
|
||
|
||
packuswb_r2r (mm3, mm6); /* out[0,3],[1,3],[2,3],[3,3],[0,5],[1,5],[2,5],[3,5] */
|
||
movq_r2r (mm2, mm4);
|
||
|
||
movq_r2r (mm5, mm7);
|
||
punpcklbw_r2r (mm0, mm2); /* out[0,0],[0,1],[1,0],[1,1],[2,0],[2,1],[3,0],[3,1] */
|
||
|
||
punpckhbw_r2r (mm0, mm4); /* out[0,6],[0,7],[1,6],[1,7],[2,6],[2,7],[3,6],[3,7] */
|
||
movq_r2r (mm2, mm1);
|
||
|
||
punpcklbw_r2r (mm6, mm5); /* out[0,2],[0,3],[1,2],[1,3],[2,2],[2,3],[3,2],[3,3] */
|
||
|
||
/* add dataptr, 4 */
|
||
|
||
punpckhbw_r2r (mm6, mm7); /* out[0,4],[0,5],[1,4],[1,5],[2,4],[2,5],[3,4],[3,5] */
|
||
|
||
punpcklwd_r2r (mm5, mm2); /* out[0,0],[0,1],[0,2],[0,3],[1,0],[1,1],[1,2],[1,3] */
|
||
|
||
/* add ecx, output_col */
|
||
|
||
movq_r2r (mm7, mm6);
|
||
punpckhwd_r2r (mm5, mm1); /* out[2,0],[2,1],[2,2],[2,3],[3,0],[3,1],[3,2],[3,3] */
|
||
|
||
movq_r2r (mm2, mm0);
|
||
punpcklwd_r2r (mm4, mm6); /* out[0,4],[0,5],[0,6],[0,7],[1,4],[1,5],[1,6],[1,7] */
|
||
|
||
/* mov idata, [dataptr] */
|
||
|
||
punpckldq_r2r (mm6, mm2); /* out[0,0],[0,1],[0,2],[0,3],[0,4],[0,5],[0,6],[0,7] */
|
||
|
||
/* add dataptr, 4 */
|
||
|
||
movq_r2r (mm1, mm3);
|
||
|
||
/* add idata, output_col */
|
||
|
||
punpckhwd_r2r (mm4, mm7); /* out[2,4],[2,5],[2,6],[2,7],[3,4],[3,5],[3,6],[3,7] */
|
||
|
||
movq_r2m (mm2, *(dataptr));
|
||
|
||
punpckhdq_r2r (mm6, mm0); /* out[1,0],[1,1],[1,2],[1,3],[1,4],[1,5],[1,6],[1,7] */
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm0, *(dataptr));
|
||
|
||
punpckldq_r2r (mm7, mm1); /* out[2,0],[2,1],[2,2],[2,3],[2,4],[2,5],[2,6],[2,7] */
|
||
punpckhdq_r2r (mm7, mm3); /* out[3,0],[3,1],[3,2],[3,3],[3,4],[3,5],[3,6],[3,7] */
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm1, *(dataptr));
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm3, *(dataptr));
|
||
|
||
/*******************************************************************/
|
||
|
||
wsptr += 8;
|
||
|
||
/*******************************************************************/
|
||
|
||
/* tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); */
|
||
/* tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); */
|
||
/* tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); */
|
||
/* tmp14 = ((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6]); */
|
||
movq_m2r (*(wsptr), mm0); /* wsptr[0,0],[0,1],[0,2],[0,3] */
|
||
|
||
movq_m2r (*(wsptr + 1), mm1); /* wsptr[0,4],[0,5],[0,6],[0,7] */
|
||
movq_r2r (mm0, mm2);
|
||
|
||
movq_m2r (*(wsptr + 2), mm3); /* wsptr[1,0],[1,1],[1,2],[1,3] */
|
||
paddw_r2r (mm1, mm0); /* wsptr[0,tmp10],[xxx],[0,tmp13],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 3), mm4); /* wsptr[1,4],[1,5],[1,6],[1,7] */
|
||
psubw_r2r (mm1, mm2); /* wsptr[0,tmp11],[xxx],[0,tmp14],[xxx] */
|
||
|
||
movq_r2r (mm0, mm6);
|
||
movq_r2r (mm3, mm5);
|
||
|
||
paddw_r2r (mm4, mm3); /* wsptr[1,tmp10],[xxx],[1,tmp13],[xxx] */
|
||
movq_r2r (mm2, mm1);
|
||
|
||
psubw_r2r (mm4, mm5); /* wsptr[1,tmp11],[xxx],[1,tmp14],[xxx] */
|
||
punpcklwd_r2r (mm3, mm0); /* wsptr[0,tmp10],[1,tmp10],[xxx],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 7), mm7); /* wsptr[3,4],[3,5],[3,6],[3,7] */
|
||
punpckhwd_r2r (mm3, mm6); /* wsptr[0,tmp13],[1,tmp13],[xxx],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 4), mm3); /* wsptr[2,0],[2,1],[2,2],[2,3] */
|
||
punpckldq_r2r (mm6, mm0); /* wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] */
|
||
|
||
punpcklwd_r2r (mm5, mm1); /* wsptr[0,tmp11],[1,tmp11],[xxx],[xxx] */
|
||
movq_r2r (mm3, mm4);
|
||
|
||
movq_m2r (*(wsptr + 6), mm6); /* wsptr[3,0],[3,1],[3,2],[3,3] */
|
||
punpckhwd_r2r (mm5, mm2); /* wsptr[0,tmp14],[1,tmp14],[xxx],[xxx] */
|
||
|
||
movq_m2r (*(wsptr + 5), mm5); /* wsptr[2,4],[2,5],[2,6],[2,7] */
|
||
punpckldq_r2r (mm2, mm1); /* wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] */
|
||
|
||
paddw_r2r (mm5, mm3); /* wsptr[2,tmp10],[xxx],[2,tmp13],[xxx] */
|
||
movq_r2r (mm6, mm2);
|
||
|
||
psubw_r2r (mm5, mm4); /* wsptr[2,tmp11],[xxx],[2,tmp14],[xxx] */
|
||
paddw_r2r (mm7, mm6); /* wsptr[3,tmp10],[xxx],[3,tmp13],[xxx] */
|
||
|
||
movq_r2r (mm3, mm5);
|
||
punpcklwd_r2r (mm6, mm3); /* wsptr[2,tmp10],[3,tmp10],[xxx],[xxx] */
|
||
|
||
psubw_r2r (mm7, mm2); /* wsptr[3,tmp11],[xxx],[3,tmp14],[xxx] */
|
||
punpckhwd_r2r (mm6, mm5); /* wsptr[2,tmp13],[3,tmp13],[xxx],[xxx] */
|
||
|
||
movq_r2r (mm4, mm7);
|
||
punpckldq_r2r (mm5, mm3); /* wsptr[2,tmp10],[3,tmp10],[2,tmp13],[3,tmp13] */
|
||
|
||
punpcklwd_r2r (mm2, mm4); /* wsptr[2,tmp11],[3,tmp11],[xxx],[xxx] */
|
||
|
||
punpckhwd_r2r (mm2, mm7); /* wsptr[2,tmp14],[3,tmp14],[xxx],[xxx] */
|
||
|
||
punpckldq_r2r (mm7, mm4); /* wsptr[2,tmp11],[3,tmp11],[2,tmp14],[3,tmp14] */
|
||
movq_r2r (mm1, mm6);
|
||
|
||
/*OK */
|
||
|
||
/* mm0 = ;wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] */
|
||
/* mm1 = ;wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] */
|
||
|
||
movq_r2r (mm0, mm2);
|
||
punpckhdq_r2r (mm4, mm6); /* wsptr[0,tmp14],[1,tmp14],[2,tmp14],[3,tmp14] */
|
||
|
||
punpckldq_r2r (mm4, mm1); /* wsptr[0,tmp11],[1,tmp11],[2,tmp11],[3,tmp11] */
|
||
psllw_i2r (2, mm6);
|
||
|
||
pmulhw_m2r (fix_141, mm6);
|
||
punpckldq_r2r (mm3, mm0); /* wsptr[0,tmp10],[1,tmp10],[2,tmp10],[3,tmp10] */
|
||
|
||
punpckhdq_r2r (mm3, mm2); /* wsptr[0,tmp13],[1,tmp13],[2,tmp13],[3,tmp13] */
|
||
movq_r2r (mm0, mm7);
|
||
|
||
/* tmp0 = tmp10 + tmp13; */
|
||
/* tmp3 = tmp10 - tmp13; */
|
||
paddw_r2r (mm2, mm0); /* [0,tmp0],[1,tmp0],[2,tmp0],[3,tmp0] */
|
||
psubw_r2r (mm2, mm7); /* [0,tmp3],[1,tmp3],[2,tmp3],[3,tmp3] */
|
||
|
||
/* tmp12 = MULTIPLY(tmp14, FIX_1_414213562) - tmp13; */
|
||
psubw_r2r (mm2, mm6); /* wsptr[0,tmp12],[1,tmp12],[2,tmp12],[3,tmp12] */
|
||
/* tmp1 = tmp11 + tmp12; */
|
||
/* tmp2 = tmp11 - tmp12; */
|
||
movq_r2r (mm1, mm5);
|
||
|
||
/*OK */
|
||
|
||
|
||
/* Odd part */
|
||
|
||
/* z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; */
|
||
/* z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; */
|
||
/* z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; */
|
||
/* z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; */
|
||
movq_m2r (*(wsptr), mm3); /* wsptr[0,0],[0,1],[0,2],[0,3] */
|
||
paddw_r2r (mm6, mm1); /* [0,tmp1],[1,tmp1],[2,tmp1],[3,tmp1] */
|
||
|
||
movq_m2r (*(wsptr + 1), mm4); /* wsptr[0,4],[0,5],[0,6],[0,7] */
|
||
psubw_r2r (mm6, mm5); /* [0,tmp2],[1,tmp2],[2,tmp2],[3,tmp2] */
|
||
|
||
movq_r2r (mm3, mm6);
|
||
punpckldq_r2r (mm4, mm3); /* wsptr[0,0],[0,1],[0,4],[0,5] */
|
||
|
||
punpckhdq_r2r (mm6, mm4); /* wsptr[0,6],[0,7],[0,2],[0,3] */
|
||
movq_r2r (mm3, mm2);
|
||
|
||
/*Save tmp0 and tmp1 in wsptr */
|
||
movq_r2m (mm0, *(wsptr)); /* save tmp0 */
|
||
paddw_r2r (mm4, mm2); /* wsptr[xxx],[0,z11],[xxx],[0,z13] */
|
||
|
||
|
||
/*Continue with z10 --- z13 */
|
||
movq_m2r (*(wsptr + 2), mm6); /* wsptr[1,0],[1,1],[1,2],[1,3] */
|
||
psubw_r2r (mm4, mm3); /* wsptr[xxx],[0,z12],[xxx],[0,z10] */
|
||
|
||
movq_m2r (*(wsptr + 3), mm0); /* wsptr[1,4],[1,5],[1,6],[1,7] */
|
||
movq_r2r (mm6, mm4);
|
||
|
||
movq_r2m (mm1, *(wsptr + 1)); /* save tmp1 */
|
||
punpckldq_r2r (mm0, mm6); /* wsptr[1,0],[1,1],[1,4],[1,5] */
|
||
|
||
punpckhdq_r2r (mm4, mm0); /* wsptr[1,6],[1,7],[1,2],[1,3] */
|
||
movq_r2r (mm6, mm1);
|
||
|
||
/*Save tmp2 and tmp3 in wsptr */
|
||
paddw_r2r (mm0, mm6); /* wsptr[xxx],[1,z11],[xxx],[1,z13] */
|
||
movq_r2r (mm2, mm4);
|
||
|
||
/*Continue with z10 --- z13 */
|
||
movq_r2m (mm5, *(wsptr + 2)); /* save tmp2 */
|
||
punpcklwd_r2r (mm6, mm2); /* wsptr[xxx],[xxx],[0,z11],[1,z11] */
|
||
|
||
psubw_r2r (mm0, mm1); /* wsptr[xxx],[1,z12],[xxx],[1,z10] */
|
||
punpckhwd_r2r (mm6, mm4); /* wsptr[xxx],[xxx],[0,z13],[1,z13] */
|
||
|
||
movq_r2r (mm3, mm0);
|
||
punpcklwd_r2r (mm1, mm3); /* wsptr[xxx],[xxx],[0,z12],[1,z12] */
|
||
|
||
movq_r2m (mm7, *(wsptr + 3)); /* save tmp3 */
|
||
punpckhwd_r2r (mm1, mm0); /* wsptr[xxx],[xxx],[0,z10],[1,z10] */
|
||
|
||
movq_m2r (*(wsptr + 4), mm6); /* wsptr[2,0],[2,1],[2,2],[2,3] */
|
||
punpckhdq_r2r (mm2, mm0); /* wsptr[0,z10],[1,z10],[0,z11],[1,z11] */
|
||
|
||
movq_m2r (*(wsptr + 5), mm7); /* wsptr[2,4],[2,5],[2,6],[2,7] */
|
||
punpckhdq_r2r (mm4, mm3); /* wsptr[0,z12],[1,z12],[0,z13],[1,z13] */
|
||
|
||
movq_m2r (*(wsptr + 6), mm1); /* wsptr[3,0],[3,1],[3,2],[3,3] */
|
||
movq_r2r (mm6, mm4);
|
||
|
||
punpckldq_r2r (mm7, mm6); /* wsptr[2,0],[2,1],[2,4],[2,5] */
|
||
movq_r2r (mm1, mm5);
|
||
|
||
punpckhdq_r2r (mm4, mm7); /* wsptr[2,6],[2,7],[2,2],[2,3] */
|
||
movq_r2r (mm6, mm2);
|
||
|
||
movq_m2r (*(wsptr + 7), mm4); /* wsptr[3,4],[3,5],[3,6],[3,7] */
|
||
paddw_r2r (mm7, mm6); /* wsptr[xxx],[2,z11],[xxx],[2,z13] */
|
||
|
||
psubw_r2r (mm7, mm2); /* wsptr[xxx],[2,z12],[xxx],[2,z10] */
|
||
punpckldq_r2r (mm4, mm1); /* wsptr[3,0],[3,1],[3,4],[3,5] */
|
||
|
||
punpckhdq_r2r (mm5, mm4); /* wsptr[3,6],[3,7],[3,2],[3,3] */
|
||
movq_r2r (mm1, mm7);
|
||
|
||
paddw_r2r (mm4, mm1); /* wsptr[xxx],[3,z11],[xxx],[3,z13] */
|
||
psubw_r2r (mm4, mm7); /* wsptr[xxx],[3,z12],[xxx],[3,z10] */
|
||
|
||
movq_r2r (mm6, mm5);
|
||
punpcklwd_r2r (mm1, mm6); /* wsptr[xxx],[xxx],[2,z11],[3,z11] */
|
||
|
||
punpckhwd_r2r (mm1, mm5); /* wsptr[xxx],[xxx],[2,z13],[3,z13] */
|
||
movq_r2r (mm2, mm4);
|
||
|
||
punpcklwd_r2r (mm7, mm2); /* wsptr[xxx],[xxx],[2,z12],[3,z12] */
|
||
|
||
punpckhwd_r2r (mm7, mm4); /* wsptr[xxx],[xxx],[2,z10],[3,z10] */
|
||
|
||
punpckhdq_r2r (mm6, mm4); /* wsptr[2,z10],[3,z10],[2,z11],[3,z11] */
|
||
|
||
punpckhdq_r2r (mm5, mm2); /* wsptr[2,z12],[3,z12],[2,z13],[3,z13] */
|
||
movq_r2r (mm0, mm5);
|
||
|
||
punpckldq_r2r (mm4, mm0); /* wsptr[0,z10],[1,z10],[2,z10],[3,z10] */
|
||
|
||
punpckhdq_r2r (mm4, mm5); /* wsptr[0,z11],[1,z11],[2,z11],[3,z11] */
|
||
movq_r2r (mm3, mm4);
|
||
|
||
punpckhdq_r2r (mm2, mm4); /* wsptr[0,z13],[1,z13],[2,z13],[3,z13] */
|
||
movq_r2r (mm5, mm1);
|
||
|
||
punpckldq_r2r (mm2, mm3); /* wsptr[0,z12],[1,z12],[2,z12],[3,z12] */
|
||
/* tmp7 = z11 + z13; : phase 5 */
|
||
/* tmp8 = z11 - z13; : phase 5 */
|
||
psubw_r2r (mm4, mm1); /* tmp8 */
|
||
|
||
paddw_r2r (mm4, mm5); /* tmp7 */
|
||
/* tmp21 = MULTIPLY(tmp8, FIX_1_414213562); 2*c4 */
|
||
psllw_i2r (2, mm1);
|
||
|
||
psllw_i2r (2, mm0);
|
||
|
||
pmulhw_m2r (fix_141, mm1); /* tmp21 */
|
||
/* tmp20 = MULTIPLY(z12, (FIX_1_082392200- FIX_1_847759065)) : 2*(c2-c6) */
|
||
/* + MULTIPLY(z10, - FIX_1_847759065); : 2*c2 */
|
||
psllw_i2r (2, mm3);
|
||
movq_r2r (mm0, mm7);
|
||
|
||
pmulhw_m2r (fix_n184, mm7);
|
||
movq_r2r (mm3, mm6);
|
||
|
||
movq_m2r (*(wsptr), mm2); /* tmp0,final1 */
|
||
|
||
pmulhw_m2r (fix_108n184, mm6);
|
||
/* tmp22 = MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) : -2*(c2+c6) */
|
||
/* + MULTIPLY(z12, FIX_1_847759065); : 2*c2 */
|
||
movq_r2r (mm2, mm4); /* final1 */
|
||
|
||
pmulhw_m2r (fix_184n261, mm0);
|
||
paddw_r2r (mm5, mm2); /* tmp0+tmp7,final1 */
|
||
|
||
pmulhw_m2r (fix_184, mm3);
|
||
psubw_r2r (mm5, mm4); /* tmp0-tmp7,final1 */
|
||
|
||
/* tmp6 = tmp22 - tmp7; phase 2 */
|
||
psraw_i2r (3, mm2); /* outptr[0,0],[1,0],[2,0],[3,0],final1 */
|
||
|
||
paddw_r2r (mm6, mm7); /* tmp20 */
|
||
psraw_i2r (3, mm4); /* outptr[0,7],[1,7],[2,7],[3,7],final1 */
|
||
|
||
paddw_r2r (mm0, mm3); /* tmp22 */
|
||
|
||
/* tmp5 = tmp21 - tmp6; */
|
||
psubw_r2r (mm5, mm3); /* tmp6 */
|
||
|
||
/* tmp4 = tmp20 + tmp5; */
|
||
movq_m2r (*(wsptr + 1), mm0); /* tmp1,final2 */
|
||
psubw_r2r (mm3, mm1); /* tmp5 */
|
||
|
||
movq_r2r (mm0, mm6); /* final2 */
|
||
paddw_r2r (mm3, mm0); /* tmp1+tmp6,final2 */
|
||
|
||
/* Final output stage: scale down by a factor of 8 and range-limit */
|
||
|
||
/* outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final1 */
|
||
|
||
|
||
/* outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final2 */
|
||
psubw_r2r (mm3, mm6); /* tmp1-tmp6,final2 */
|
||
psraw_i2r (3, mm0); /* outptr[0,1],[1,1],[2,1],[3,1] */
|
||
|
||
psraw_i2r (3, mm6); /* outptr[0,6],[1,6],[2,6],[3,6] */
|
||
|
||
packuswb_r2r (mm4, mm0); /* out[0,1],[1,1],[2,1],[3,1],[0,7],[1,7],[2,7],[3,7] */
|
||
|
||
movq_m2r (*(wsptr + 2), mm5); /* tmp2,final3 */
|
||
packuswb_r2r (mm6, mm2); /* out[0,0],[1,0],[2,0],[3,0],[0,6],[1,6],[2,6],[3,6] */
|
||
|
||
/* outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final3 */
|
||
paddw_r2r (mm1, mm7); /* tmp4 */
|
||
movq_r2r (mm5, mm3);
|
||
|
||
paddw_r2r (mm1, mm5); /* tmp2+tmp5 */
|
||
psubw_r2r (mm1, mm3); /* tmp2-tmp5 */
|
||
|
||
psraw_i2r (3, mm5); /* outptr[0,2],[1,2],[2,2],[3,2] */
|
||
|
||
movq_m2r (*(wsptr + 3), mm4); /* tmp3,final4 */
|
||
psraw_i2r (3, mm3); /* outptr[0,5],[1,5],[2,5],[3,5] */
|
||
|
||
|
||
|
||
/* outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; */
|
||
/* outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) */
|
||
/* & RANGE_MASK]; final4 */
|
||
movq_r2r (mm4, mm6);
|
||
paddw_r2r (mm7, mm4); /* tmp3+tmp4 */
|
||
|
||
psubw_r2r (mm7, mm6); /* tmp3-tmp4 */
|
||
psraw_i2r (3, mm4); /* outptr[0,4],[1,4],[2,4],[3,4] */
|
||
|
||
psraw_i2r (3, mm6); /* outptr[0,3],[1,3],[2,3],[3,3] */
|
||
|
||
/*
|
||
movq_r2m(mm4, *dummy);
|
||
fprintf(stderr, "3-4 %016llx\n", dummy);
|
||
movq_r2m(mm4, *dummy);
|
||
fprintf(stderr, "3+4 %016llx\n", dummy);
|
||
*/
|
||
|
||
|
||
packuswb_r2r (mm4, mm5); /* out[0,2],[1,2],[2,2],[3,2],[0,4],[1,4],[2,4],[3,4] */
|
||
|
||
packuswb_r2r (mm3, mm6); /* out[0,3],[1,3],[2,3],[3,3],[0,5],[1,5],[2,5],[3,5] */
|
||
movq_r2r (mm2, mm4);
|
||
|
||
movq_r2r (mm5, mm7);
|
||
punpcklbw_r2r (mm0, mm2); /* out[0,0],[0,1],[1,0],[1,1],[2,0],[2,1],[3,0],[3,1] */
|
||
|
||
punpckhbw_r2r (mm0, mm4); /* out[0,6],[0,7],[1,6],[1,7],[2,6],[2,7],[3,6],[3,7] */
|
||
movq_r2r (mm2, mm1);
|
||
|
||
punpcklbw_r2r (mm6, mm5); /* out[0,2],[0,3],[1,2],[1,3],[2,2],[2,3],[3,2],[3,3] */
|
||
|
||
punpckhbw_r2r (mm6, mm7); /* out[0,4],[0,5],[1,4],[1,5],[2,4],[2,5],[3,4],[3,5] */
|
||
|
||
punpcklwd_r2r (mm5, mm2); /* out[0,0],[0,1],[0,2],[0,3],[1,0],[1,1],[1,2],[1,3] */
|
||
|
||
movq_r2r (mm7, mm6);
|
||
punpckhwd_r2r (mm5, mm1); /* out[2,0],[2,1],[2,2],[2,3],[3,0],[3,1],[3,2],[3,3] */
|
||
|
||
movq_r2r (mm2, mm0);
|
||
punpcklwd_r2r (mm4, mm6); /* out[0,4],[0,5],[0,6],[0,7],[1,4],[1,5],[1,6],[1,7] */
|
||
|
||
punpckldq_r2r (mm6, mm2); /* out[0,0],[0,1],[0,2],[0,3],[0,4],[0,5],[0,6],[0,7] */
|
||
|
||
movq_r2r (mm1, mm3);
|
||
|
||
punpckhwd_r2r (mm4, mm7); /* out[2,4],[2,5],[2,6],[2,7],[3,4],[3,5],[3,6],[3,7] */
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm2, *(dataptr));
|
||
|
||
punpckhdq_r2r (mm6, mm0); /* out[1,0],[1,1],[1,2],[1,3],[1,4],[1,5],[1,6],[1,7] */
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm0, *(dataptr));
|
||
|
||
punpckldq_r2r (mm7, mm1); /* out[2,0],[2,1],[2,2],[2,3],[2,4],[2,5],[2,6],[2,7] */
|
||
|
||
punpckhdq_r2r (mm7, mm3); /* out[3,0],[3,1],[3,2],[3,3],[3,4],[3,5],[3,6],[3,7] */
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm1, *(dataptr));
|
||
|
||
dataptr += rskip;
|
||
movq_r2m (mm3, *(dataptr));
|
||
|
||
#else
|
||
__s32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
|
||
__s32 tmp10, tmp11, tmp12, tmp13;
|
||
__s32 z5, z10, z11, z12, z13;
|
||
__s16 *inptr;
|
||
__s32 *wsptr;
|
||
__u8 *outptr;
|
||
int ctr;
|
||
__s32 dcval;
|
||
__s32 workspace[64];
|
||
|
||
inptr = data;
|
||
wsptr = workspace;
|
||
for (ctr = 8; ctr > 0; ctr--) {
|
||
|
||
if ((inptr[8] | inptr[16] | inptr[24] |
|
||
inptr[32] | inptr[40] | inptr[48] | inptr[56]) == 0) {
|
||
dcval = inptr[0];
|
||
wsptr[0] = dcval;
|
||
wsptr[8] = dcval;
|
||
wsptr[16] = dcval;
|
||
wsptr[24] = dcval;
|
||
wsptr[32] = dcval;
|
||
wsptr[40] = dcval;
|
||
wsptr[48] = dcval;
|
||
wsptr[56] = dcval;
|
||
|
||
inptr++;
|
||
wsptr++;
|
||
continue;
|
||
}
|
||
|
||
tmp0 = inptr[0];
|
||
tmp1 = inptr[16];
|
||
tmp2 = inptr[32];
|
||
tmp3 = inptr[48];
|
||
|
||
tmp10 = tmp0 + tmp2;
|
||
tmp11 = tmp0 - tmp2;
|
||
|
||
tmp13 = tmp1 + tmp3;
|
||
tmp12 = MULTIPLY (tmp1 - tmp3, FIX_1_414213562) - tmp13;
|
||
|
||
tmp0 = tmp10 + tmp13;
|
||
tmp3 = tmp10 - tmp13;
|
||
tmp1 = tmp11 + tmp12;
|
||
tmp2 = tmp11 - tmp12;
|
||
|
||
tmp4 = inptr[8];
|
||
tmp5 = inptr[24];
|
||
tmp6 = inptr[40];
|
||
tmp7 = inptr[56];
|
||
|
||
z13 = tmp6 + tmp5;
|
||
z10 = tmp6 - tmp5;
|
||
z11 = tmp4 + tmp7;
|
||
z12 = tmp4 - tmp7;
|
||
|
||
tmp7 = z11 + z13;
|
||
tmp11 = MULTIPLY (z11 - z13, FIX_1_414213562);
|
||
|
||
z5 = MULTIPLY (z10 + z12, FIX_1_847759065);
|
||
tmp10 = MULTIPLY (z12, FIX_1_082392200) - z5;
|
||
tmp12 = MULTIPLY (z10, -FIX_2_613125930) + z5;
|
||
|
||
tmp6 = tmp12 - tmp7;
|
||
tmp5 = tmp11 - tmp6;
|
||
tmp4 = tmp10 + tmp5;
|
||
|
||
wsptr[0] = (__s32) (tmp0 + tmp7);
|
||
wsptr[56] = (__s32) (tmp0 - tmp7);
|
||
wsptr[8] = (__s32) (tmp1 + tmp6);
|
||
wsptr[48] = (__s32) (tmp1 - tmp6);
|
||
wsptr[16] = (__s32) (tmp2 + tmp5);
|
||
wsptr[40] = (__s32) (tmp2 - tmp5);
|
||
wsptr[32] = (__s32) (tmp3 + tmp4);
|
||
wsptr[24] = (__s32) (tmp3 - tmp4);
|
||
|
||
inptr++;
|
||
wsptr++;
|
||
}
|
||
|
||
wsptr = workspace;
|
||
for (ctr = 0; ctr < 8; ctr++) {
|
||
outptr = &(odata[ctr * rskip]);
|
||
|
||
tmp10 = wsptr[0] + wsptr[4];
|
||
tmp11 = wsptr[0] - wsptr[4];
|
||
|
||
tmp13 = wsptr[2] + wsptr[6];
|
||
tmp12 = MULTIPLY (wsptr[2] - wsptr[6], FIX_1_414213562) - tmp13;
|
||
|
||
tmp0 = tmp10 + tmp13;
|
||
tmp3 = tmp10 - tmp13;
|
||
tmp1 = tmp11 + tmp12;
|
||
tmp2 = tmp11 - tmp12;
|
||
|
||
z13 = wsptr[5] + wsptr[3];
|
||
z10 = wsptr[5] - wsptr[3];
|
||
z11 = wsptr[1] + wsptr[7];
|
||
z12 = wsptr[1] - wsptr[7];
|
||
|
||
tmp7 = z11 + z13;
|
||
tmp11 = MULTIPLY (z11 - z13, FIX_1_414213562);
|
||
|
||
z5 = MULTIPLY (z10 + z12, FIX_1_847759065);
|
||
tmp10 = MULTIPLY (z12, FIX_1_082392200) - z5;
|
||
tmp12 = MULTIPLY (z10, -FIX_2_613125930) + z5;
|
||
|
||
tmp6 = tmp12 - tmp7;
|
||
tmp5 = tmp11 - tmp6;
|
||
tmp4 = tmp10 + tmp5;
|
||
|
||
outptr[0] = RL (DESCALE (tmp0 + tmp7));
|
||
outptr[7] = RL (DESCALE (tmp0 - tmp7));
|
||
outptr[1] = RL (DESCALE (tmp1 + tmp6));
|
||
outptr[6] = RL (DESCALE (tmp1 - tmp6));
|
||
outptr[2] = RL (DESCALE (tmp2 + tmp5));
|
||
outptr[5] = RL (DESCALE (tmp2 - tmp5));
|
||
outptr[4] = RL (DESCALE (tmp3 + tmp4));
|
||
outptr[3] = RL (DESCALE (tmp3 - tmp4));
|
||
|
||
wsptr += 8;
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/*
|
||
|
||
Main Routines
|
||
|
||
This file contains most of the initialisation and control functions
|
||
|
||
(C) Justin Schoeman 1998
|
||
|
||
*/
|
||
|
||
/*
|
||
|
||
Private function
|
||
|
||
Initialise all the cache-aliged data blocks
|
||
|
||
*/
|
||
|
||
void
|
||
RTjpeg_init_data (void)
|
||
{
|
||
unsigned long dptr;
|
||
|
||
dptr = (unsigned long) &(RTjpeg_alldata[0]);
|
||
dptr += 32;
|
||
dptr = dptr >> 5;
|
||
dptr = dptr << 5; /* cache align data */
|
||
|
||
RTjpeg_block = (__s16 *) dptr;
|
||
dptr += sizeof (__s16) * 64;
|
||
RTjpeg_lqt = (__s32 *) dptr;
|
||
dptr += sizeof (__s32) * 64;
|
||
RTjpeg_cqt = (__s32 *) dptr;
|
||
dptr += sizeof (__s32) * 64;
|
||
RTjpeg_liqt = (__u32 *) dptr;
|
||
dptr += sizeof (__u32) * 64;
|
||
RTjpeg_ciqt = (__u32 *) dptr;
|
||
}
|
||
|
||
/*
|
||
|
||
External Function
|
||
|
||
Re-set quality factor
|
||
|
||
Input: buf -> pointer to 128 ints for quant values store to pass back to
|
||
init_decompress.
|
||
Q -> quality factor (192=best, 32=worst)
|
||
*/
|
||
|
||
void
|
||
RTjpeg_init_Q (__u8 Q)
|
||
{
|
||
int i;
|
||
__u64 qual;
|
||
|
||
qual = (__u64) Q << (32 - 7); /* 32 bit FP, 255=2, 0=0 */
|
||
|
||
for (i = 0; i < 64; i++) {
|
||
RTjpeg_lqt[i] =
|
||
(__s32) ((qual / ((__u64) RTjpeg_lum_quant_tbl[i] << 16)) >> 3);
|
||
if (RTjpeg_lqt[i] == 0)
|
||
RTjpeg_lqt[i] = 1;
|
||
RTjpeg_cqt[i] =
|
||
(__s32) ((qual / ((__u64) RTjpeg_chrom_quant_tbl[i] << 16)) >> 3);
|
||
if (RTjpeg_cqt[i] == 0)
|
||
RTjpeg_cqt[i] = 1;
|
||
RTjpeg_liqt[i] = (1 << 16) / (RTjpeg_lqt[i] << 3);
|
||
RTjpeg_ciqt[i] = (1 << 16) / (RTjpeg_cqt[i] << 3);
|
||
RTjpeg_lqt[i] = ((1 << 16) / RTjpeg_liqt[i]) >> 3;
|
||
RTjpeg_cqt[i] = ((1 << 16) / RTjpeg_ciqt[i]) >> 3;
|
||
}
|
||
|
||
RTjpeg_lb8 = 0;
|
||
while (RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]] <= 8);
|
||
RTjpeg_lb8--;
|
||
RTjpeg_cb8 = 0;
|
||
while (RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]] <= 8);
|
||
RTjpeg_cb8--;
|
||
|
||
RTjpeg_dct_init ();
|
||
RTjpeg_idct_init ();
|
||
RTjpeg_quant_init ();
|
||
}
|
||
|
||
/*
|
||
|
||
External Function
|
||
|
||
Initialise compression.
|
||
|
||
Input: buf -> pointer to 128 ints for quant values store to pass back to
|
||
init_decompress.
|
||
width -> width of image
|
||
height -> height of image
|
||
Q -> quality factor (192=best, 32=worst)
|
||
|
||
*/
|
||
|
||
void
|
||
RTjpeg_init_compress (__u32 * buf, int width, int height, __u8 Q)
|
||
{
|
||
int i;
|
||
__u64 qual;
|
||
|
||
RTjpeg_init_data ();
|
||
|
||
RTjpeg_width = width;
|
||
RTjpeg_height = height;
|
||
RTjpeg_Ywidth = RTjpeg_width >> 3;
|
||
RTjpeg_Ysize = width * height;
|
||
RTjpeg_Cwidth = RTjpeg_width >> 4;
|
||
RTjpeg_Csize = (width >> 1) * height;
|
||
|
||
qual = (__u64) Q << (32 - 7); /* 32 bit FP, 255=2, 0=0 */
|
||
|
||
for (i = 0; i < 64; i++) {
|
||
RTjpeg_lqt[i] =
|
||
(__s32) ((qual / ((__u64) RTjpeg_lum_quant_tbl[i] << 16)) >> 3);
|
||
if (RTjpeg_lqt[i] == 0)
|
||
RTjpeg_lqt[i] = 1;
|
||
RTjpeg_cqt[i] =
|
||
(__s32) ((qual / ((__u64) RTjpeg_chrom_quant_tbl[i] << 16)) >> 3);
|
||
if (RTjpeg_cqt[i] == 0)
|
||
RTjpeg_cqt[i] = 1;
|
||
RTjpeg_liqt[i] = (1 << 16) / (RTjpeg_lqt[i] << 3);
|
||
RTjpeg_ciqt[i] = (1 << 16) / (RTjpeg_cqt[i] << 3);
|
||
RTjpeg_lqt[i] = ((1 << 16) / RTjpeg_liqt[i]) >> 3;
|
||
RTjpeg_cqt[i] = ((1 << 16) / RTjpeg_ciqt[i]) >> 3;
|
||
}
|
||
|
||
RTjpeg_lb8 = 0;
|
||
while (RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]] <= 8);
|
||
RTjpeg_lb8--;
|
||
RTjpeg_cb8 = 0;
|
||
while (RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]] <= 8);
|
||
RTjpeg_cb8--;
|
||
|
||
RTjpeg_dct_init ();
|
||
RTjpeg_quant_init ();
|
||
|
||
for (i = 0; i < 64; i++)
|
||
buf[i] = RTjpeg_liqt[i];
|
||
for (i = 0; i < 64; i++)
|
||
buf[64 + i] = RTjpeg_ciqt[i];
|
||
}
|
||
|
||
void
|
||
RTjpeg_init_decompress (__u32 * buf, int width, int height)
|
||
{
|
||
int i;
|
||
|
||
RTjpeg_init_data ();
|
||
|
||
RTjpeg_width = width;
|
||
RTjpeg_height = height;
|
||
RTjpeg_Ywidth = RTjpeg_width >> 3;
|
||
RTjpeg_Ysize = width * height;
|
||
RTjpeg_Cwidth = RTjpeg_width >> 4;
|
||
RTjpeg_Csize = (width >> 1) * height;
|
||
|
||
for (i = 0; i < 64; i++) {
|
||
RTjpeg_liqt[i] = buf[i];
|
||
RTjpeg_ciqt[i] = buf[i + 64];
|
||
}
|
||
|
||
RTjpeg_lb8 = 0;
|
||
while (RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]] <= 8);
|
||
RTjpeg_lb8--;
|
||
RTjpeg_cb8 = 0;
|
||
while (RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]] <= 8);
|
||
RTjpeg_cb8--;
|
||
|
||
RTjpeg_idct_init ();
|
||
|
||
/* RTjpeg_color_init(); */
|
||
}
|
||
|
||
int
|
||
RTjpeg_compressYUV420 (__s8 * sp, unsigned char *bp)
|
||
{
|
||
__s8 *sb;
|
||
register __s8 *bp1 = bp + (RTjpeg_width << 3);
|
||
register __s8 *bp2 = bp + RTjpeg_Ysize;
|
||
register __s8 *bp3 = bp2 + (RTjpeg_Csize >> 1);
|
||
register int i, j, k;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
sb = sp;
|
||
/* Y */
|
||
for (i = RTjpeg_height >> 1; i; i -= 8) {
|
||
for (j = 0, k = 0; j < RTjpeg_width; j += 16, k += 8) {
|
||
RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
|
||
RTjpeg_dctY (bp + j + 8, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
|
||
RTjpeg_dctY (bp1 + j, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
|
||
RTjpeg_dctY (bp1 + j + 8, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
|
||
RTjpeg_dctY (bp2 + k, RTjpeg_block, RTjpeg_Cwidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_cqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8);
|
||
|
||
RTjpeg_dctY (bp3 + k, RTjpeg_block, RTjpeg_Cwidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_cqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8);
|
||
|
||
}
|
||
bp += RTjpeg_width << 4;
|
||
bp1 += RTjpeg_width << 4;
|
||
bp2 += RTjpeg_width << 2;
|
||
bp3 += RTjpeg_width << 2;
|
||
|
||
}
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
return (sp - sb);
|
||
}
|
||
|
||
int
|
||
RTjpeg_compressYUV422 (__s8 * sp, unsigned char *bp)
|
||
{
|
||
__s8 *sb;
|
||
register __s8 *bp2 = bp + RTjpeg_Ysize;
|
||
register __s8 *bp3 = bp2 + RTjpeg_Csize;
|
||
register int i, j, k;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
sb = sp;
|
||
/* Y */
|
||
for (i = RTjpeg_height; i; i -= 8) {
|
||
for (j = 0, k = 0; j < RTjpeg_width; j += 16, k += 8) {
|
||
RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
|
||
RTjpeg_dctY (bp + j + 8, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
|
||
RTjpeg_dctY (bp2 + k, RTjpeg_block, RTjpeg_Cwidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_cqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8);
|
||
|
||
RTjpeg_dctY (bp3 + k, RTjpeg_block, RTjpeg_Cwidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_cqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8);
|
||
|
||
}
|
||
bp += RTjpeg_width << 3;
|
||
bp2 += RTjpeg_width << 2;
|
||
bp3 += RTjpeg_width << 2;
|
||
|
||
}
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
return (sp - sb);
|
||
}
|
||
|
||
int
|
||
RTjpeg_compress8 (__s8 * sp, unsigned char *bp)
|
||
{
|
||
__s8 *sb;
|
||
int i, j;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
|
||
sb = sp;
|
||
/* Y */
|
||
for (i = 0; i < RTjpeg_height; i += 8) {
|
||
for (j = 0; j < RTjpeg_width; j += 8) {
|
||
RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_width);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
}
|
||
bp += RTjpeg_width;
|
||
}
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
return (sp - sb);
|
||
}
|
||
|
||
void
|
||
RTjpeg_decompressYUV422 (__s8 * sp, __u8 * bp)
|
||
{
|
||
register __s8 *bp2 = bp + RTjpeg_Ysize;
|
||
register __s8 *bp3 = bp2 + (RTjpeg_Csize);
|
||
int i, j, k;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
|
||
/* Y */
|
||
for (i = RTjpeg_height; i; i -= 8) {
|
||
for (k = 0, j = 0; j < RTjpeg_width; j += 16, k += 8) {
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp + j, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp + j + 8, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
||
RTjpeg_idct (bp2 + k, RTjpeg_block, RTjpeg_width >> 1);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
||
RTjpeg_idct (bp3 + k, RTjpeg_block, RTjpeg_width >> 1);
|
||
}
|
||
}
|
||
bp += RTjpeg_width << 3;
|
||
bp2 += RTjpeg_width << 2;
|
||
bp3 += RTjpeg_width << 2;
|
||
}
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
}
|
||
|
||
void
|
||
RTjpeg_decompressYUV420 (__s8 * sp, __u8 * bp)
|
||
{
|
||
register __s8 *bp1 = bp + (RTjpeg_width << 3);
|
||
register __s8 *bp2 = bp + RTjpeg_Ysize;
|
||
register __s8 *bp3 = bp2 + (RTjpeg_Csize >> 1);
|
||
int i, j, k;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
|
||
/* Y */
|
||
for (i = RTjpeg_height >> 1; i; i -= 8) {
|
||
for (k = 0, j = 0; j < RTjpeg_width; j += 16, k += 8) {
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp + j, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp + j + 8, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp1 + j, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp1 + j + 8, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
||
RTjpeg_idct (bp2 + k, RTjpeg_block, RTjpeg_width >> 1);
|
||
}
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt);
|
||
RTjpeg_idct (bp3 + k, RTjpeg_block, RTjpeg_width >> 1);
|
||
}
|
||
}
|
||
bp += RTjpeg_width << 4;
|
||
bp1 += RTjpeg_width << 4;
|
||
bp2 += RTjpeg_width << 2;
|
||
bp3 += RTjpeg_width << 2;
|
||
}
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
}
|
||
|
||
void
|
||
RTjpeg_decompress8 (__s8 * sp, __u8 * bp)
|
||
{
|
||
int i, j;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
|
||
/* Y */
|
||
for (i = 0; i < RTjpeg_height; i += 8) {
|
||
for (j = 0; j < RTjpeg_width; j += 8)
|
||
if (*sp == -1)
|
||
sp++;
|
||
else {
|
||
sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt);
|
||
RTjpeg_idct (bp + j, RTjpeg_block, RTjpeg_width);
|
||
}
|
||
bp += RTjpeg_width << 3;
|
||
}
|
||
}
|
||
|
||
/*
|
||
External Function
|
||
|
||
Initialise additional data structures for motion compensation
|
||
|
||
*/
|
||
|
||
void
|
||
RTjpeg_init_mcompress (void)
|
||
{
|
||
unsigned long tmp;
|
||
|
||
if (!RTjpeg_old) {
|
||
RTjpeg_old = malloc ((4 * RTjpeg_width * RTjpeg_height) + 32);
|
||
tmp = (unsigned long) RTjpeg_old;
|
||
tmp += 32;
|
||
tmp = tmp >> 5;
|
||
RTjpeg_old = (__s16 *) (tmp << 5);
|
||
}
|
||
if (!RTjpeg_old) {
|
||
fprintf (stderr, "RTjpeg: Could not allocate memory\n");
|
||
exit (-1);
|
||
}
|
||
memset (RTjpeg_old, 0, ((4 * RTjpeg_width * RTjpeg_height)));
|
||
}
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
|
||
int
|
||
RTjpeg_bcomp (__s16 * old, mmx_t * mask)
|
||
{
|
||
int i;
|
||
mmx_t *mold = (mmx_t *) old;
|
||
mmx_t *mblock = (mmx_t *) RTjpeg_block;
|
||
mmx_t result;
|
||
static mmx_t neg = (mmx_t) (unsigned long long) 0xffffffffffffffffULL;
|
||
|
||
movq_m2r (*mask, mm7);
|
||
movq_m2r (neg, mm6);
|
||
pxor_r2r (mm5, mm5);
|
||
|
||
for (i = 0; i < 8; i++) {
|
||
movq_m2r (*(mblock++), mm0);
|
||
movq_m2r (*(mblock++), mm2);
|
||
movq_m2r (*(mold++), mm1);
|
||
movq_m2r (*(mold++), mm3);
|
||
psubsw_r2r (mm1, mm0);
|
||
psubsw_r2r (mm3, mm2);
|
||
movq_r2r (mm0, mm1);
|
||
movq_r2r (mm2, mm3);
|
||
pcmpgtw_r2r (mm7, mm0);
|
||
pcmpgtw_r2r (mm7, mm2);
|
||
pxor_r2r (mm6, mm1);
|
||
pxor_r2r (mm6, mm3);
|
||
pcmpgtw_r2r (mm7, mm1);
|
||
pcmpgtw_r2r (mm7, mm3);
|
||
por_r2r (mm0, mm5);
|
||
por_r2r (mm2, mm5);
|
||
por_r2r (mm1, mm5);
|
||
por_r2r (mm3, mm5);
|
||
}
|
||
movq_r2m (mm5, result);
|
||
|
||
if (result.q) {
|
||
if (!RTjpeg_mtest)
|
||
for (i = 0; i < 16; i++)
|
||
((__u64 *) old)[i] = ((__u64 *) RTjpeg_block)[i];
|
||
return 0;
|
||
}
|
||
/* printf("."); */
|
||
return 1;
|
||
}
|
||
|
||
#else
|
||
int
|
||
RTjpeg_bcomp (__s16 * old, __u16 * mask)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < 64; i++)
|
||
if (abs (old[i] - RTjpeg_block[i]) > *mask) {
|
||
if (!RTjpeg_mtest)
|
||
for (i = 0; i < 16; i++)
|
||
((__u64 *) old)[i] = ((__u64 *) RTjpeg_block)[i];
|
||
return 0;
|
||
}
|
||
return 1;
|
||
}
|
||
#endif
|
||
|
||
void
|
||
RTjpeg_set_test (int i)
|
||
{
|
||
RTjpeg_mtest = i;
|
||
}
|
||
|
||
int
|
||
RTjpeg_mcompress (__s8 * sp, unsigned char *bp, __u16 lmask, __u16 cmask)
|
||
{
|
||
__s8 *sb;
|
||
__s16 *block;
|
||
register __s8 *bp2;
|
||
register __s8 *bp3;
|
||
register int i, j, k;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
RTjpeg_lmask =
|
||
(mmx_t) (((__u64) lmask << 48) | ((__u64) lmask << 32) | ((__u64) lmask <<
|
||
16) | lmask);
|
||
RTjpeg_cmask =
|
||
(mmx_t) (((__u64) cmask << 48) | ((__u64) cmask << 32) | ((__u64) cmask <<
|
||
16) | cmask);
|
||
#else
|
||
RTjpeg_lmask = lmask;
|
||
RTjpeg_cmask = cmask;
|
||
#endif
|
||
|
||
bp = bp - RTjpeg_width * 0;
|
||
bp2 = bp + RTjpeg_Ysize - RTjpeg_width * 0;
|
||
bp3 = bp2 + RTjpeg_Csize;
|
||
|
||
sb = sp;
|
||
block = RTjpeg_old;
|
||
/* Y */
|
||
for (i = RTjpeg_height; i; i -= 8) {
|
||
for (j = 0, k = 0; j < RTjpeg_width; j += 16, k += 8) {
|
||
RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
if (RTjpeg_bcomp (block, &RTjpeg_lmask)) {
|
||
*((__u8 *) sp++) = 255;
|
||
} else
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
block += 64;
|
||
|
||
RTjpeg_dctY (bp + j + 8, RTjpeg_block, RTjpeg_Ywidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
if (RTjpeg_bcomp (block, &RTjpeg_lmask)) {
|
||
*((__u8 *) sp++) = 255;
|
||
} else
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
block += 64;
|
||
|
||
RTjpeg_dctY (bp2 + k, RTjpeg_block, RTjpeg_Cwidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_cqt);
|
||
if (RTjpeg_bcomp (block, &RTjpeg_cmask)) {
|
||
*((__u8 *) sp++) = 255;
|
||
} else
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8);
|
||
block += 64;
|
||
|
||
RTjpeg_dctY (bp3 + k, RTjpeg_block, RTjpeg_Cwidth);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_cqt);
|
||
if (RTjpeg_bcomp (block, &RTjpeg_cmask)) {
|
||
*((__u8 *) sp++) = 255;
|
||
} else
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8);
|
||
block += 64;
|
||
|
||
}
|
||
bp += RTjpeg_width << 3;
|
||
bp2 += RTjpeg_width << 2;
|
||
bp3 += RTjpeg_width << 2;
|
||
}
|
||
/*printf ("%d\n", block - RTjpeg_old); */
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
return (sp - sb);
|
||
}
|
||
|
||
int
|
||
RTjpeg_mcompress8 (__s8 * sp, unsigned char *bp, __u16 lmask)
|
||
{
|
||
__s8 *sb;
|
||
__s16 *block;
|
||
int i, j;
|
||
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
RTjpeg_lmask =
|
||
(mmx_t) (((__u64) lmask << 48) | ((__u64) lmask << 32) | ((__u64) lmask <<
|
||
16) | lmask);
|
||
#else
|
||
RTjpeg_lmask = lmask;
|
||
#endif
|
||
|
||
|
||
sb = sp;
|
||
block = RTjpeg_old;
|
||
/* Y */
|
||
for (i = 0; i < RTjpeg_height; i += 8) {
|
||
for (j = 0; j < RTjpeg_width; j += 8) {
|
||
RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_width);
|
||
RTjpeg_quant (RTjpeg_block, RTjpeg_lqt);
|
||
if (RTjpeg_bcomp (block, &RTjpeg_lmask)) {
|
||
*((__u8 *) sp++) = 255;
|
||
/* printf("* %d ", sp[-1]); */
|
||
} else
|
||
sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8);
|
||
block += 64;
|
||
}
|
||
bp += RTjpeg_width << 3;
|
||
}
|
||
#ifdef HAVE_LIBMMX
|
||
emms ();
|
||
#endif
|
||
return (sp - sb);
|
||
}
|
||
|
||
void
|
||
RTjpeg_color_init (void)
|
||
{
|
||
}
|
||
|
||
#define KcrR 76284
|
||
#define KcrG 53281
|
||
#define KcbG 25625
|
||
#define KcbB 132252
|
||
#define Ky 76284
|
||
|
||
void
|
||
RTjpeg_yuv422rgb (__u8 * buf, __u8 * rgb)
|
||
{
|
||
int tmp;
|
||
int i, j;
|
||
__s32 y, crR, crG, cbG, cbB;
|
||
__u8 *bufcr, *bufcb, *bufy, *bufoute;
|
||
int yskip;
|
||
|
||
yskip = RTjpeg_width;
|
||
|
||
bufcb = &buf[RTjpeg_width * RTjpeg_height];
|
||
bufcr =
|
||
&buf[RTjpeg_width * RTjpeg_height + (RTjpeg_width * RTjpeg_height) / 2];
|
||
bufy = &buf[0];
|
||
bufoute = rgb;
|
||
|
||
for (i = 0; i < (RTjpeg_height); i++) {
|
||
for (j = 0; j < RTjpeg_width; j += 2) {
|
||
crR = (*bufcr - 128) * KcrR;
|
||
crG = (*(bufcr++) - 128) * KcrG;
|
||
cbG = (*bufcb - 128) * KcbG;
|
||
cbB = (*(bufcb++) - 128) * KcbB;
|
||
|
||
y = (bufy[j] - 16) * Ky;
|
||
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + 1] - 16) * Ky;
|
||
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
}
|
||
bufy += yskip;
|
||
}
|
||
}
|
||
|
||
|
||
void
|
||
RTjpeg_yuv420rgb (__u8 * buf, __u8 * rgb)
|
||
{
|
||
int tmp;
|
||
int i, j;
|
||
__s32 y, crR, crG, cbG, cbB;
|
||
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
||
int oskip, yskip;
|
||
|
||
oskip = RTjpeg_width * 3;
|
||
yskip = RTjpeg_width;
|
||
|
||
bufcb = &buf[RTjpeg_width * RTjpeg_height];
|
||
bufcr =
|
||
&buf[RTjpeg_width * RTjpeg_height + (RTjpeg_width * RTjpeg_height) / 4];
|
||
bufy = &buf[0];
|
||
bufoute = rgb;
|
||
bufouto = rgb + oskip;
|
||
|
||
for (i = 0; i < (RTjpeg_height >> 1); i++) {
|
||
for (j = 0; j < RTjpeg_width; j += 2) {
|
||
crR = (*bufcr - 128) * KcrR;
|
||
crG = (*(bufcr++) - 128) * KcrG;
|
||
cbG = (*bufcb - 128) * KcbG;
|
||
cbB = (*(bufcb++) - 128) * KcbB;
|
||
|
||
y = (bufy[j] - 16) * Ky;
|
||
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + 1] - 16) * Ky;
|
||
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + crR) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + 1 + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + crR) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
}
|
||
bufoute += oskip;
|
||
bufouto += oskip;
|
||
bufy += yskip << 1;
|
||
}
|
||
}
|
||
|
||
|
||
void
|
||
RTjpeg_yuvrgb32 (__u8 * buf, __u8 * rgb)
|
||
{
|
||
int tmp;
|
||
int i, j;
|
||
__s32 y, crR, crG, cbG, cbB;
|
||
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
||
int oskip, yskip;
|
||
|
||
oskip = RTjpeg_width * 4;
|
||
yskip = RTjpeg_width;
|
||
|
||
bufcb = &buf[RTjpeg_width * RTjpeg_height];
|
||
bufcr =
|
||
&buf[RTjpeg_width * RTjpeg_height + (RTjpeg_width * RTjpeg_height) / 2];
|
||
bufy = &buf[0];
|
||
bufoute = rgb;
|
||
bufouto = rgb + oskip;
|
||
|
||
for (i = 0; i < (RTjpeg_height >> 1); i++) {
|
||
for (j = 0; j < RTjpeg_width; j += 2) {
|
||
crR = (*bufcr - 128) * KcrR;
|
||
crG = (*(bufcr++) - 128) * KcrG;
|
||
cbG = (*bufcb - 128) * KcbG;
|
||
cbB = (*(bufcb++) - 128) * KcbB;
|
||
|
||
y = (bufy[j] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
bufoute++;
|
||
|
||
y = (bufy[j + 1] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
bufoute++;
|
||
|
||
y = (bufy[j + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
bufouto++;
|
||
|
||
y = (bufy[j + 1 + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
bufouto++;
|
||
|
||
}
|
||
bufoute += oskip;
|
||
bufouto += oskip;
|
||
bufy += yskip << 1;
|
||
}
|
||
}
|
||
|
||
void
|
||
RTjpeg_yuvrgb24 (__u8 * buf, __u8 * rgb)
|
||
{
|
||
int tmp;
|
||
int i, j;
|
||
__s32 y, crR, crG, cbG, cbB;
|
||
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
||
int oskip, yskip;
|
||
|
||
oskip = RTjpeg_width * 3;
|
||
yskip = RTjpeg_width;
|
||
|
||
bufcb = &buf[RTjpeg_width * RTjpeg_height];
|
||
bufcr =
|
||
&buf[RTjpeg_width * RTjpeg_height + (RTjpeg_width * RTjpeg_height) / 4];
|
||
bufy = &buf[0];
|
||
bufoute = rgb;
|
||
bufouto = rgb + oskip;
|
||
|
||
for (i = 0; i < (RTjpeg_height >> 1); i++) {
|
||
for (j = 0; j < RTjpeg_width; j += 2) {
|
||
crR = (*bufcr - 128) * KcrR;
|
||
crG = (*(bufcr++) - 128) * KcrG;
|
||
cbG = (*bufcb - 128) * KcbG;
|
||
cbB = (*(bufcb++) - 128) * KcbB;
|
||
|
||
y = (bufy[j] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + 1] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufoute++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
y = (bufy[j + 1 + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
*(bufouto++) = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
|
||
}
|
||
bufoute += oskip;
|
||
bufouto += oskip;
|
||
bufy += yskip << 1;
|
||
}
|
||
}
|
||
|
||
void
|
||
RTjpeg_yuvrgb16 (__u8 * buf, __u8 * rgb)
|
||
{
|
||
int tmp;
|
||
int i, j;
|
||
__s32 y, crR, crG, cbG, cbB;
|
||
__u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto;
|
||
int oskip, yskip;
|
||
unsigned char r, g, b;
|
||
|
||
oskip = RTjpeg_width * 2;
|
||
yskip = RTjpeg_width;
|
||
|
||
bufcb = &buf[RTjpeg_width * RTjpeg_height];
|
||
bufcr =
|
||
&buf[RTjpeg_width * RTjpeg_height + (RTjpeg_width * RTjpeg_height) / 4];
|
||
bufy = &buf[0];
|
||
bufoute = rgb;
|
||
bufouto = rgb + oskip;
|
||
|
||
for (i = 0; i < (RTjpeg_height >> 1); i++) {
|
||
for (j = 0; j < RTjpeg_width; j += 2) {
|
||
crR = (*bufcr - 128) * KcrR;
|
||
crG = (*(bufcr++) - 128) * KcrG;
|
||
cbG = (*bufcb - 128) * KcbG;
|
||
cbB = (*(bufcb++) - 128) * KcbB;
|
||
|
||
y = (bufy[j] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
b = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
g = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
r = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (int) ((int) b >> 3);
|
||
tmp |= (int) (((int) g >> 2) << 5);
|
||
tmp |= (int) (((int) r >> 3) << 11);
|
||
*(bufoute++) = tmp & 0xff;
|
||
*(bufoute++) = tmp >> 8;
|
||
|
||
|
||
y = (bufy[j + 1] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
b = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
g = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
r = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (int) ((int) b >> 3);
|
||
tmp |= (int) (((int) g >> 2) << 5);
|
||
tmp |= (int) (((int) r >> 3) << 11);
|
||
*(bufoute++) = tmp & 0xff;
|
||
*(bufoute++) = tmp >> 8;
|
||
|
||
y = (bufy[j + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
b = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
g = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
r = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (int) ((int) b >> 3);
|
||
tmp |= (int) (((int) g >> 2) << 5);
|
||
tmp |= (int) (((int) r >> 3) << 11);
|
||
*(bufouto++) = tmp & 0xff;
|
||
*(bufouto++) = tmp >> 8;
|
||
|
||
y = (bufy[j + 1 + yskip] - 16) * Ky;
|
||
|
||
tmp = (y + cbB) >> 16;
|
||
b = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y - crG - cbG) >> 16;
|
||
g = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (y + crR) >> 16;
|
||
r = (tmp > 255) ? 255 : ((tmp < 0) ? 0 : tmp);
|
||
tmp = (int) ((int) b >> 3);
|
||
tmp |= (int) (((int) g >> 2) << 5);
|
||
tmp |= (int) (((int) r >> 3) << 11);
|
||
*(bufouto++) = tmp & 0xff;
|
||
*(bufouto++) = tmp >> 8;
|
||
|
||
}
|
||
bufoute += oskip;
|
||
bufouto += oskip;
|
||
bufy += yskip << 1;
|
||
}
|
||
}
|
||
|
||
void
|
||
RTjpeg_yuvrgb8 (__u8 * buf, __u8 * rgb)
|
||
{
|
||
memcpy (rgb, buf, RTjpeg_width * RTjpeg_height);
|
||
}
|
||
|
||
void
|
||
RTjpeg_double32 (__u32 * buf)
|
||
{
|
||
int i, j;
|
||
|
||
__u32 *iptr, *optr1, *optr2;
|
||
|
||
iptr = buf + (RTjpeg_width * RTjpeg_height) - 1;
|
||
optr1 = buf + (RTjpeg_width * RTjpeg_height * 4) - 1;
|
||
optr2 = optr1 - (2 * RTjpeg_width);
|
||
|
||
for (i = 0; i < RTjpeg_height; i++) {
|
||
for (j = 0; j < RTjpeg_width; j++) {
|
||
*(optr1--) = *iptr;
|
||
*(optr1--) = *iptr;
|
||
*(optr2--) = *iptr;
|
||
*(optr2--) = *(iptr--);
|
||
}
|
||
optr2 = optr2 - 2 * RTjpeg_width;
|
||
optr1 = optr1 - 2 * RTjpeg_width;
|
||
}
|
||
}
|
||
|
||
void
|
||
RTjpeg_double24 (__u8 * buf)
|
||
{
|
||
}
|
||
|
||
void
|
||
RTjpeg_double16 (__u16 * buf)
|
||
{
|
||
int i, j;
|
||
|
||
__u16 *iptr, *optr1, *optr2;
|
||
|
||
iptr = buf + (RTjpeg_width * RTjpeg_height) - 1;
|
||
optr1 = buf + (RTjpeg_width * RTjpeg_height * 4) - 1;
|
||
optr2 = optr1 - (2 * RTjpeg_width);
|
||
|
||
for (i = 0; i < RTjpeg_height; i++) {
|
||
for (j = 0; j < RTjpeg_width; j++) {
|
||
*(optr1--) = *iptr;
|
||
*(optr1--) = *iptr;
|
||
*(optr2--) = *iptr;
|
||
*(optr2--) = *(iptr--);
|
||
}
|
||
optr2 = optr2 - 2 * RTjpeg_width;
|
||
optr1 = optr1 - 2 * RTjpeg_width;
|
||
}
|
||
}
|
||
|
||
void
|
||
RTjpeg_double8 (__u8 * buf)
|
||
{
|
||
int i, j;
|
||
|
||
__u8 *iptr, *optr1, *optr2;
|
||
|
||
iptr = buf + (RTjpeg_width * RTjpeg_height) - 1;
|
||
optr1 = buf + (RTjpeg_width * RTjpeg_height * 4) - 1;
|
||
optr2 = optr1 - (2 * RTjpeg_width);
|
||
|
||
for (i = 0; i < RTjpeg_height; i++) {
|
||
for (j = 0; j < RTjpeg_width; j++) {
|
||
*(optr1--) = *iptr;
|
||
*(optr1--) = *iptr;
|
||
*(optr2--) = *iptr;
|
||
*(optr2--) = *(iptr--);
|
||
}
|
||
optr2 = optr2 - 2 * RTjpeg_width;
|
||
optr1 = optr1 - 2 * RTjpeg_width;
|
||
}
|
||
}
|